#123153#123153

#123153 is a dark, moderate cyan. Relative luminance 0.029; OKLCH L 30.9% C 0.072 H 252.9°. Best body text is #FFFFFF at 13.21:1 contrast (WCAG AA passes).

Color values

HEX	#123153
RGB	rgb(18, 49, 83)
HSL	hsl(211, 64%, 20%)
HSV	hsv(211, 78%, 33%)
CMYK	cmyk(78.3%, 41%, 0%, 67.5%)
CIE-LAB	lab(19.84, 1.91, -24.01)
CIE-LCH	lch(19.84, 24.09, 274.54°)
OKLab	oklab(30.92% -0.021 -0.0684)
OKLCH	oklch(30.92% 0.072 252.9)
XYZ	xyz(2.9085, 2.9494, 8.5979)
Luminance	0.0295 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123153 #533412

analogous

#125153 #123153 #141253

triadic

#123153 #531231 #315312

tetradic

#123153 #531251 #533412 #125314

square

#123153 #531251 #533412 #125314

split-complementary

#123153 #531412 #515312

monochromatic

#050F19 #071321 #123153 #1D4F85 #286CB8

Accessibility & contrast

On white

13.21

#123153 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#123153 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123153

13.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123153	#FFFFFF	#000000	##FFFFFF
##123153	1.00	13.21	1.59	13.21
#FFFFFF	13.21	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#213354

Deuteranopia (green-blind)

#182D52

Tritanopia (blue-blind)

#00393E

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #123153;
/* rgb */ color: rgb(18, 49, 83);
/* oklch */ color: oklch(30.9% 0.072 252.9);

Tailwind

colors: {
  custom: {
    50: '#5a6883',
    500: '#123153',
    950: '#000000',
  },
}

SCSS

$custom: #123153;
$custom-light: #5a6883;
$custom-dark: #000000;

JSON

{
  "hex": "#123153",
  "rgb": {
    "r": 18,
    "g": 49,
    "b": 83
  },
  "hsl": {
    "h": 211.385,
    "s": 64.356,
    "l": 19.804
  },
  "oklch": {
    "l": 0.30916,
    "c": 0.07151,
    "h": 252.9
  },
  "luminance": 0.0295
}

Semantic roles & 50–950 ramp

primary

#123153

secondary

#8C6235

accent

#9840E7

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04060A

muted

#797A7C

Preview Lab

Preview with #123153

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

Preview Lab → · Contrast checker → · Palette generator →