Colour

#1C88BF

#1C88BF
Blue
Dark
Nearest: Steel blue

#1C88BF is a blue with RGB values 28, 136, 191 and HSL 200°, 74%, 43%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#1C88BF#1C88BF

HEX#1C88BF

RGBrgb(28, 136, 191)

RGB (0–1)0.1098, 0.5333, 0.749

RGB percentages11%, 53.3%, 74.9%

HSLhsl(200.2, 74.4%, 42.9%)

HSV / HSBhsv(200.2, 85.3%, 74.9%)

CMYK85.3%, 28.8%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,870,015

CSS custom property--colour: #1C88BF;

Brightness & contrast

Relative luminance0.21617WCAG 2.x, 0 is black and 1 is white

Perceived brightness123.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.32:1

Contrast with white3.94:1WCAG normal text: Fail

Contrast with black5.32:1WCAG normal text: AA

Greyscale equivalent#757575

Inverted#E37740

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6D88C1no red cones; affects about 1% of men; ΔE 15.7 from the original

Deuteranopia#587ABEno green cones; the most common form, about 1% of men; ΔE 17.4 from the original

Tritanopia#00969Bno blue cones; rare, and affects men and women equally; ΔE 32.8 from the original

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

Contrast with white, large text3.94:1WCAG large text: AA

Contrast with black, large text5.32:1WCAG large text: AAA

Named colours

Steel blue · ΔE 7.1 Deep skyblue · ΔE 21.5 Cornflower blue · ΔE 24 Light slate grey · ΔE 26.7 Slate grey · ΔE 27.2 Light skyblue · ΔE 27.4

Nearest named CSS colourSteel blue (#4682B4)ΔE 7.08, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#BF531C

Analogous#1CBFA5, #1C36BF

Triadic#BF1C88, #88BF1C

Split complementary#BF1C36, #BFA41C

Tetradic#A51CBF, #BF531C, #37BF1C

Tints, shades & saturation

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

Lighter +40%#B3DEF4

Lighter +30%#87CBED

Lighter +20%#5AB7E7

Lighter +10%#2EA4E0

Darker −10%#156893

Darker −20%#0F4966

Darker −30%#08293A

Darker −40%#02090D

More saturated +25%#0191DA

Less saturated −25%#377FA4

Channel breakdown

R28

G136

B191

Red28 (11%)

Green136 (53.3%)

Blue191 (74.9%)

Hue200.25°

Saturation (HSL)74.43%

Lightness42.94%

Dominant channelBlue

Hex per channelR 1C · G 88 · B BF

Keep nerding

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

#1C88BF

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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