#11283F#11283F

#11283F is a dark, muted cyan. Relative luminance 0.020; OKLCH L 27.1% C 0.052 H 250.3°. Best body text is #FFFFFF at 15.01:1 contrast (WCAG AA passes).

Color values

HEX	#11283F
RGB	rgb(17, 40, 63)
HSL	hsl(210, 58%, 16%)
HSV	hsv(210, 73%, 25%)
CMYK	cmyk(73%, 36.5%, 0%, 75.3%)
CIE-LAB	lab(15.46, -0.24, -17.31)
CIE-LCH	lch(15.46, 17.31, 269.22°)
OKLab	oklab(27.08% -0.0175 -0.0489)
OKLCH	oklch(27.08% 0.052 250.3)
XYZ	xyz(1.8868, 1.9955, 4.9874)
Luminance	0.0200 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11283F #3F2811

analogous

#113F3F #11283F #11113F

triadic

#11283F #3F1128 #283F11

tetradic

#11283F #3F113F #3F2811 #113F11

square

#11283F #3F113F #3F2811 #113F11

split-complementary

#11283F #3F1111 #3F3F11

monochromatic

#070F18 #070F18 #11283F #1E476F #2B659F

Accessibility & contrast

On white

15.01

#11283F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#11283F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11283F

15.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11283F	#FFFFFF	#000000	##FFFFFF
##11283F	1.00	15.01	1.40	15.01
#FFFFFF	15.01	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E2940

Deuteranopia (green-blind)

#18253F

Tritanopia (blue-blind)

#002D30

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #11283f;
/* rgb */ color: rgb(17, 40, 63);
/* oklch */ color: oklch(27.1% 0.052 250.3);

Tailwind

colors: {
  custom: {
    50: '#556174',
    500: '#11283f',
    950: '#000000',
  },
}

SCSS

$custom: #11283f;
$custom-light: #556174;
$custom-dark: #000000;

JSON

{
  "hex": "#11283f",
  "rgb": {
    "r": 17,
    "g": 40,
    "b": 63
  },
  "hsl": {
    "h": 210,
    "s": 57.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.27079,
    "c": 0.05199,
    "h": 250.3
  },
  "luminance": 0.01996
}

Semantic roles & 50–950 ramp

primary

#11283F

secondary

#785633

accent

#9447E1

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030508

muted

#78797B

Preview Lab

Preview with #11283F

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

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