Colour

#1C4252

#1C4252
Cyan
Dark
Nearest: Dark slate grey

#1C4252 is a cyan with RGB values 28, 66, 82 and HSL 198°, 49%, 22%. It is a dark colour, so white text on it reaches 10.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#1C4252#1C4252

HEX#1C4252

RGBrgb(28, 66, 82)

RGB (0–1)0.1098, 0.2588, 0.3216

RGB percentages11%, 25.9%, 32.2%

HSLhsl(197.8, 49.1%, 21.6%)

HSV / HSBhsv(197.8, 65.9%, 32.2%)

CMYK65.9%, 19.5%, 0%, 67.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,851,986

CSS custom property--colour: #1C4252;

Brightness & contrast

Relative luminance0.04753WCAG 2.x, 0 is black and 1 is white

Perceived brightness59.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.77:1

Contrast with white10.77:1WCAG normal text: AAA

Contrast with black1.95:1WCAG normal text: Fail

Greyscale equivalent#3B3B3B

Inverted#E3BDAD

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3A4153no red cones; affects about 1% of men; ΔE 10.1 from the original

Deuteranopia#323B52no green cones; the most common form, about 1% of men; ΔE 10.9 from the original

Tritanopia#004747no blue cones; rare, and affects men and women equally; ΔE 13.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text10.77:1WCAG large text: AAA

Contrast with black, large text1.95:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 11.9 Dim grey · ΔE 24.2 Slate grey · ΔE 27.6 Black · ΔE 30.4 Light slate grey · ΔE 30.5 Teal · ΔE 31

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 11.86, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#522C1C

Analogous#1C5247, #1C2752

Triadic#521C42, #42521C

Split complementary#521C27, #52471C

Tetradic#471C52, #522C1C, #27521C

Tints, shades & saturation

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

Lighter +40%#6DB1CD

Lighter +30%#479CC0

Lighter +20%#367F9E

Lighter +10%#296178

Darker −10%#0F232C

Darker −20%#020506

Darker −30%#000000

Darker −40%#000000

More saturated +25%#0E4860

Less saturated −25%#2A3C44

Channel breakdown

R28

G66

B82

Red28 (11%)

Green66 (25.9%)

Blue82 (32.2%)

Hue197.78°

Saturation (HSL)49.09%

Lightness21.57%

Dominant channelBlue

Hex per channelR 1C · G 42 · B 52

Keep nerding

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#1C4252

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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