Recognised as Colour

#1858B6

#1858B6
Blue
Dark
Nearest: Royal blue

#1858B6 is a blue with RGB values 24, 88, 182 and HSL 216°, 77%, 40%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#1858B6#1858B6

HEX#1858B6

RGBrgb(24, 88, 182)

RGB (0–1)0.0941, 0.3451, 0.7137

RGB percentages9.4%, 34.5%, 71.4%

HSLhsl(215.7, 76.7%, 40.4%)

HSV / HSBhsv(215.7, 86.8%, 71.4%)

CMYK86.8%, 51.6%, 0%, 28.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,595,574

CSS custom property--colour: #1858B6;

Brightness & contrast

Relative luminance0.10551WCAG 2.x, 0 is black and 1 is white

Perceived brightness92.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.75:1

Contrast with white6.75:1WCAG normal text: AA

Contrast with black3.11:1WCAG normal text: Fail

Greyscale equivalent#515151

Inverted#E7A749

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1663B9no red cones; affects about 1% of men; ΔE 7.9 from the original

Deuteranopia#0055B4no green cones; the most common form, about 1% of men; ΔE 1.7 from the original

Tritanopia#006F7Eno blue cones; rare, and affects men and women equally; ΔE 54.5 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text6.75:1WCAG large text: AAA

Contrast with black, large text3.11:1WCAG large text: AA

Named colours

Royal blue · ΔE 16.6 Dark slateblue · ΔE 18 Slate blue · ΔE 20.6 Dodgerblue · ΔE 23.2 Cornflower blue · ΔE 25 Medium purple · ΔE 26.3

Nearest named CSS colourRoyal blue (#4169E1)ΔE 16.57, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#B67618

Analogous#18A7B6, #2718B6

Triadic#B61858, #58B618

Split complementary#B62718, #A7B618

Tetradic#B618A7, #B67618, #18B627

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#A7C6F3

Lighter +30%#7AA9ED

Lighter +20%#4D8BE7

Lighter +10%#1F6EE2

Darker −10%#124289

Darker −20%#0C2C5C

Darker −30%#06172F

Darker −40%#000102

More saturated +25%#0053CE

Less saturated −25%#325D9C

Channel breakdown

R24

G88

B182

Red24 (9.4%)

Green88 (34.5%)

Blue182 (71.4%)

Hue215.7°

Saturation (HSL)76.7%

Lightness40.39%

Dominant channelBlue

Hex per channelR 18 · G 58 · B B6

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#1858B6

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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