#12353D#12353D

#12353D is a dark, muted cyan. Relative luminance 0.030; OKLCH L 30.7% C 0.042 H 215.2°. Best body text is #FFFFFF at 13.11:1 contrast (WCAG AA passes).

Color values

HEX	#12353D
RGB	rgb(18, 53, 61)
HSL	hsl(191, 54%, 15%)
HSV	hsv(191, 70%, 24%)
CMYK	cmyk(70.5%, 13.1%, 0%, 76.1%)
CIE-LAB	lab(20.09, -9.60, -8.77)
CIE-LCH	lch(20.09, 13.00, 222.43°)
OKLab	oklab(30.73% -0.0345 -0.0244)
OKLCH	oklch(30.73% 0.042 215.2)
XYZ	xyz(2.3645, 3.0115, 4.8706)
Luminance	0.0301 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12353D #3D1A12

analogous

#123D2F #12353D #121F3D

triadic

#12353D #3D1235 #353D12

tetradic

#12353D #2F123D #3D1A12 #1F3D12

square

#12353D #2F123D #3D1A12 #1F3D12

split-complementary

#12353D #3D121F #3D2F12

monochromatic

#071518 #071518 #12353D #205E6C #2E879C

Accessibility & contrast

On white

13.11

#12353D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#12353D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12353D

13.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12353D	#FFFFFF	#000000	##FFFFFF
##12353D	1.00	13.11	1.60	13.11
#FFFFFF	13.11	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F333D

Deuteranopia (green-blind)

#292E3D

Tritanopia (blue-blind)

#003837

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #12353d;
/* rgb */ color: rgb(18, 53, 61);
/* oklch */ color: oklch(30.7% 0.042 215.2);

Tailwind

colors: {
  custom: {
    50: '#566c72',
    500: '#12353d',
    950: '#000000',
  },
}

SCSS

$custom: #12353d;
$custom-light: #566c72;
$custom-dark: #000000;

JSON

{
  "hex": "#12353d",
  "rgb": {
    "r": 18,
    "g": 53,
    "b": 61
  },
  "hsl": {
    "h": 191.163,
    "s": 54.43,
    "l": 15.49
  },
  "oklch": {
    "l": 0.30734,
    "c": 0.04223,
    "h": 215.2
  },
  "luminance": 0.03012
}

Semantic roles & 50–950 ramp

primary

#12353D

secondary

#764135

accent

#664ADE

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030708

muted

#787A7B

Preview Lab

Preview with #12353D

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

Preview Lab → · Contrast checker → · Palette generator →