#284F74#284F74

#284F74 is a dark, moderate cyan. Relative luminance 0.073; OKLCH L 41.7% C 0.076 H 249.0°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#284F74
RGB	rgb(40, 79, 116)
HSL	hsl(209, 49%, 31%)
HSV	hsv(209, 66%, 45%)
CMYK	cmyk(65.5%, 31.9%, 0%, 54.5%)
CIE-LAB	lab(32.49, -1.20, -25.28)
CIE-LCH	lch(32.49, 25.31, 267.27°)
OKLab	oklab(41.7% -0.0274 -0.0714)
OKLCH	oklch(41.7% 0.076 249)
XYZ	xyz(6.8223, 7.3034, 17.5698)
Luminance	0.0730 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284F74 #744D28

analogous

#287473 #284F74 #282974

triadic

#284F74 #74284F #4F7428

tetradic

#284F74 #732874 #744D28 #297428

square

#284F74 #732874 #744D28 #297428

split-complementary

#284F74 #742829 #747328

monochromatic

#091119 #183046 #284F74 #386EA2 #538DC4

Accessibility & contrast

On white

8.53

#284F74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#284F74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284F74

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284F74	#FFFFFF	#000000	##FFFFFF
##284F74	1.00	8.53	2.46	8.53
#FFFFFF	8.53	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F5076

Deuteranopia (green-blind)

#354973

Tritanopia (blue-blind)

#00585C

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #284f74;
/* rgb */ color: rgb(40, 79, 116);
/* oklch */ color: oklch(41.7% 0.076 249.0);

Tailwind

colors: {
  custom: {
    50: '#6a809c',
    500: '#284f74',
    950: '#000000',
  },
}

SCSS

$custom: #284f74;
$custom-light: #6a809c;
$custom-dark: #000000;

JSON

{
  "hex": "#284f74",
  "rgb": {
    "r": 40,
    "g": 79,
    "b": 116
  },
  "hsl": {
    "h": 209.211,
    "s": 48.718,
    "l": 30.588
  },
  "oklch": {
    "l": 0.41702,
    "c": 0.07644,
    "h": 249
  },
  "luminance": 0.07304
}

Semantic roles & 50–950 ramp

primary

#284F74

secondary

#A67B52

accent

#9250D8

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#070A0E

muted

#7A7C7E

Preview Lab

Preview with #284F74

Body copy rendered with the generated semantic roles for this colour.

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