#123057#123057

#123057 is a dark, moderate cyan. Relative luminance 0.029; OKLCH L 30.9% C 0.079 H 256.2°. Best body text is #FFFFFF at 13.24:1 contrast (WCAG AA passes).

Color values

HEX	#123057
RGB	rgb(18, 48, 87)
HSL	hsl(214, 66%, 21%)
HSV	hsv(214, 79%, 34%)
CMYK	cmyk(79.3%, 44.8%, 0%, 65.9%)
CIE-LAB	lab(19.76, 4.32, -26.80)
CIE-LCH	lch(19.76, 27.15, 279.16°)
OKLab	oklab(30.94% -0.0188 -0.0766)
OKLCH	oklch(30.94% 0.079 256.2)
XYZ	xyz(3.0261, 2.9303, 9.4211)
Luminance	0.0293 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123057 #573912

analogous

#125257 #123057 #161257

triadic

#123057 #571230 #305712

tetradic

#123057 #571252 #573912 #125716

square

#123057 #571252 #573912 #125716

split-complementary

#123057 #571612 #525712

monochromatic

#050E19 #081424 #123057 #1C4C8A #2768BC

Accessibility & contrast

On white

13.24

#123057 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#123057 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123057

13.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123057	#FFFFFF	#000000	##FFFFFF
##123057	1.00	13.24	1.59	13.24
#FFFFFF	13.24	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D3359

Deuteranopia (green-blind)

#122D56

Tritanopia (blue-blind)

#00393F

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #123057;
/* rgb */ color: rgb(18, 48, 87);
/* oklch */ color: oklch(30.9% 0.079 256.2);

Tailwind

colors: {
  custom: {
    50: '#5b6786',
    500: '#123057',
    950: '#000000',
  },
}

SCSS

$custom: #123057;
$custom-light: #5b6786;
$custom-dark: #000000;

JSON

{
  "hex": "#123057",
  "rgb": {
    "r": 18,
    "g": 48,
    "b": 87
  },
  "hsl": {
    "h": 213.913,
    "s": 65.714,
    "l": 20.588
  },
  "oklch": {
    "l": 0.3094,
    "c": 0.07884,
    "h": 256.2
  },
  "luminance": 0.02931
}

Semantic roles & 50–950 ramp

primary

#123057

secondary

#906835

accent

#9F3FE9

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04060B

muted

#797A7C

Preview Lab

Preview with #123057

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

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