Colour

#1F69A8

#1F69A8
Blue
Dark
Nearest: Steel blue

#1F69A8 is a blue with RGB values 31, 105, 168 and HSL 208°, 69%, 39%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#1F69A8#1F69A8

HEX#1F69A8

RGBrgb(31, 105, 168)

RGB (0–1)0.1216, 0.4118, 0.6588

RGB percentages12.2%, 41.2%, 65.9%

HSLhsl(207.6, 68.8%, 39%)

HSV / HSBhsv(207.6, 81.5%, 65.9%)

CMYK81.5%, 37.5%, 0%, 34.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,058,664

CSS custom property--colour: #1F69A8;

Brightness & contrast

Relative luminance0.13222WCAG 2.x, 0 is black and 1 is white

Perceived brightness99.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.76:1

Contrast with white5.76:1WCAG normal text: AA

Contrast with black3.64:1WCAG normal text: Fail

Greyscale equivalent#5E5E5E

Inverted#E09657

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4B6DABno red cones; affects about 1% of men; ΔE 7.3 from the original

Deuteranopia#3660A7no green cones; the most common form, about 1% of men; ΔE 9.1 from the original

Tritanopia#007880no blue cones; rare, and affects men and women equally; ΔE 37.8 from the original

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

Contrast with white, large text5.76:1WCAG large text: AAA

Contrast with black, large text3.64:1WCAG large text: AA

Named colours

Steel blue · ΔE 13.2 Cornflower blue · ΔE 22.7 Dark slateblue · ΔE 28.2 Dodgerblue · ΔE 29.9 Slate grey · ΔE 31.2 Light slate grey · ΔE 31.8

Nearest named CSS colourSteel blue (#4682B4)ΔE 13.17, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#A85E1F

Analogous#1FA8A2, #1F25A8

Triadic#A81F69, #69A81F

Split complementary#A81F25, #A8A21F

Tetradic#A21FA8, #A85E1F, #25A81F

Tints, shades & saturation

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

Lighter +40%#A5CCEE

Lighter +30%#7AB4E6

Lighter +20%#4F9CDE

Lighter +10%#2784D3

Darker −10%#174E7D

Darker −20%#0F3352

Darker −30%#071827

Darker −40%#000000

More saturated +25%#066BC1

Less saturated −25%#38678F

Channel breakdown

R31

G105

B168

Red31 (12.2%)

Green105 (41.2%)

Blue168 (65.9%)

Hue207.59°

Saturation (HSL)68.84%

Lightness39.02%

Dominant channelBlue

Hex per channelR 1F · G 69 · B A8

Keep nerding

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

#1F69A8

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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