#12283F#12283F

#12283F is a dark, muted cyan. Relative luminance 0.020; OKLCH L 27.1% C 0.051 H 251.2°. Best body text is #FFFFFF at 14.99:1 contrast (WCAG AA passes).

Color values

HEX	#12283F
RGB	rgb(18, 40, 63)
HSL	hsl(211, 56%, 16%)
HSV	hsv(211, 71%, 25%)
CMYK	cmyk(71.4%, 36.5%, 0%, 75.3%)
CIE-LAB	lab(15.51, -0.01, -17.23)
CIE-LCH	lch(15.51, 17.23, 269.96°)
OKLab	oklab(27.13% -0.0166 -0.0487)
OKLCH	oklch(27.13% 0.051 251.2)
XYZ	xyz(1.9051, 2.0049, 4.9882)
Luminance	0.0200 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12283F #3F2912

analogous

#123E3F #12283F #12123F

triadic

#12283F #3F1228 #283F12

tetradic

#12283F #3F123E #3F2912 #123F12

square

#12283F #3F123E #3F2912 #123F12

split-complementary

#12283F #3F1212 #3E3F12

monochromatic

#070F18 #070F18 #12283F #20466F #2D649E

Accessibility & contrast

On white

14.99

#12283F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#12283F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12283F

14.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12283F	#FFFFFF	#000000	##FFFFFF
##12283F	1.00	14.99	1.40	14.99
#FFFFFF	14.99	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	14.99	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: #12283f;
/* rgb */ color: rgb(18, 40, 63);
/* oklch */ color: oklch(27.1% 0.051 251.2);

Tailwind

colors: {
  custom: {
    50: '#556174',
    500: '#12283f',
    950: '#000000',
  },
}

SCSS

$custom: #12283f;
$custom-light: #556174;
$custom-dark: #000000;

JSON

{
  "hex": "#12283f",
  "rgb": {
    "r": 18,
    "g": 40,
    "b": 63
  },
  "hsl": {
    "h": 210.667,
    "s": 55.556,
    "l": 15.882
  },
  "oklch": {
    "l": 0.27131,
    "c": 0.05144,
    "h": 251.2
  },
  "luminance": 0.02005
}

Semantic roles & 50–950 ramp

primary

#12283F

secondary

#785735

accent

#9649DF

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030508

muted

#78797B

Preview Lab

Preview with #12283F

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

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