#18434C#18434C

#18434C is a dark, muted cyan. Relative luminance 0.047; OKLCH L 35.7% C 0.049 H 213.7°. Best body text is #FFFFFF at 10.79:1 contrast (WCAG AA passes).

Color values

HEX	#18434C
RGB	rgb(24, 67, 76)
HSL	hsl(190, 52%, 20%)
HSV	hsv(190, 68%, 30%)
CMYK	cmyk(68.4%, 11.8%, 0%, 70.2%)
CIE-LAB	lab(25.95, -11.55, -9.85)
CIE-LCH	lch(25.95, 15.18, 220.46°)
OKLab	oklab(35.71% -0.041 -0.0274)
OKLCH	oklch(35.71% 0.049 213.7)
XYZ	xyz(3.6878, 4.7299, 7.5547)
Luminance	0.0473 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18434C #4C2118

analogous

#184C3B #18434C #18294C

triadic

#18434C #4C1843 #434C18

tetradic

#18434C #3B184C #4C2118 #294C18

square

#18434C #3B184C #4C2118 #294C18

split-complementary

#18434C #4C1829 #4C3B18

monochromatic

#071517 #091A1D #18434C #276C7B #3595A9

Accessibility & contrast

On white

10.79

#18434C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#18434C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18434C

10.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18434C	#FFFFFF	#000000	##FFFFFF
##18434C	1.00	10.79	1.95	10.79
#FFFFFF	10.79	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C414D

Deuteranopia (green-blind)

#353B4C

Tritanopia (blue-blind)

#004746

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #18434c;
/* rgb */ color: rgb(24, 67, 76);
/* oklch */ color: oklch(35.7% 0.049 213.7);

Tailwind

colors: {
  custom: {
    50: '#5c777e',
    500: '#18434c',
    950: '#000000',
  },
}

SCSS

$custom: #18434c;
$custom-light: #5c777e;
$custom-dark: #000000;

JSON

{
  "hex": "#18434c",
  "rgb": {
    "r": 24,
    "g": 67,
    "b": 76
  },
  "hsl": {
    "h": 190.385,
    "s": 52,
    "l": 19.608
  },
  "oklch": {
    "l": 0.35711,
    "c": 0.04926,
    "h": 213.7
  },
  "luminance": 0.0473
}

Semantic roles & 50–950 ramp

primary

#18434C

secondary

#83493D

accent

#654CDB

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #18434C

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

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