#12353E#12353E

#12353E is a dark, muted cyan. Relative luminance 0.030; OKLCH L 30.8% C 0.043 H 217.5°. Best body text is #FFFFFF at 13.09:1 contrast (WCAG AA passes).

Color values

HEX	#12353E
RGB	rgb(18, 53, 62)
HSL	hsl(192, 55%, 16%)
HSV	hsv(192, 71%, 24%)
CMYK	cmyk(71%, 14.5%, 0%, 75.7%)
CIE-LAB	lab(20.13, -9.23, -9.39)
CIE-LCH	lch(20.13, 13.16, 225.49°)
OKLab	oklab(30.78% -0.034 -0.0261)
OKLCH	oklch(30.78% 0.043 217.5)
XYZ	xyz(2.3917, 3.0224, 5.0138)
Luminance	0.0302 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12353E #3E1B12

analogous

#123E31 #12353E #121F3E

triadic

#12353E #3E1235 #353E12

tetradic

#12353E #31123E #3E1B12 #1F3E12

square

#12353E #31123E #3E1B12 #1F3E12

split-complementary

#12353E #3E121F #3E3112

monochromatic

#071418 #071418 #12353E #205E6D #2E869D

Accessibility & contrast

On white

13.09

#12353E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#12353E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12353E

13.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12353E	#FFFFFF	#000000	##FFFFFF
##12353E	1.00	13.09	1.60	13.09
#FFFFFF	13.09	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F333F

Deuteranopia (green-blind)

#292F3E

Tritanopia (blue-blind)

#003838

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #12353e;
/* rgb */ color: rgb(18, 53, 62);
/* oklch */ color: oklch(30.8% 0.043 217.5);

Tailwind

colors: {
  custom: {
    50: '#566c73',
    500: '#12353e',
    950: '#000000',
  },
}

SCSS

$custom: #12353e;
$custom-light: #566c73;
$custom-dark: #000000;

JSON

{
  "hex": "#12353e",
  "rgb": {
    "r": 18,
    "g": 53,
    "b": 62
  },
  "hsl": {
    "h": 192.273,
    "s": 55,
    "l": 15.686
  },
  "oklch": {
    "l": 0.30783,
    "c": 0.04287,
    "h": 217.5
  },
  "luminance": 0.03023
}

Semantic roles & 50–950 ramp

primary

#12353E

secondary

#774235

accent

#6849DE

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030708

muted

#787A7B

Preview Lab

Preview with #12353E

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

Preview Lab → · Contrast checker → · Palette generator →