Colour

#233F4C

#233F4C
Cyan
Dark
Nearest: Dark slate grey

#233F4C is a cyan with RGB values 35, 63, 76 and HSL 199°, 37%, 22%. It is a dark colour, so white text on it reaches 11.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#233F4C#233F4C

HEX#233F4C

RGBrgb(35, 63, 76)

RGB (0–1)0.1373, 0.2471, 0.298

RGB percentages13.7%, 24.7%, 29.8%

HSLhsl(199, 36.9%, 21.8%)

HSV / HSBhsv(199, 53.9%, 29.8%)

CMYK53.9%, 17.1%, 0%, 70.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,309,964

CSS custom property--colour: #233F4C;

Brightness & contrast

Relative luminance0.04434WCAG 2.x, 0 is black and 1 is white

Perceived brightness57.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.13:1

Contrast with white11.13:1WCAG normal text: AAA

Contrast with black1.89:1WCAG normal text: Fail

Greyscale equivalent#3A3A3A

Inverted#DCC0B3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#383E4Dno red cones; affects about 1% of men; ΔE 8 from the original

Deuteranopia#32394Cno green cones; the most common form, about 1% of men; ΔE 8.9 from the original

Tritanopia#0E4343no blue cones; rare, and affects men and women equally; ΔE 11.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text11.13:1WCAG large text: AAA

Contrast with black, large text1.89:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 11.1 Dim grey · ΔE 23.2 Slate grey · ΔE 28.1 Black · ΔE 28.2 Light slate grey · ΔE 31.1 Gray · ΔE 31.3

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 11.06, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#4C3023

Analogous#234C44, #232B4C

Triadic#4C233F, #3F4C23

Split complementary#4C232B, #4C4423

Tetradic#44234C, #4C3023, #2B4C23

Tints, shades & saturation

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

Lighter +40%#79ABC2

Lighter +30%#5795B1

Lighter +20%#437992

Lighter +10%#335C6F

Darker −10%#132229

Darker −20%#030506

Darker −30%#000000

Darker −40%#000000

More saturated +25%#15445A

Less saturated −25%#313A3E

Channel breakdown

R35

G63

B76

Red35 (13.7%)

Green63 (24.7%)

Blue76 (29.8%)

Hue199.02°

Saturation (HSL)36.94%

Lightness21.76%

Dominant channelBlue

Hex per channelR 23 · G 3F · B 4C

Keep nerding

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

#233F4C

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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