#18455F#18455F

#18455F is a dark, moderate cyan. Relative luminance 0.053; OKLCH L 37.2% C 0.066 H 237.7°. Best body text is #FFFFFF at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#18455F
RGB	rgb(24, 69, 95)
HSL	hsl(202, 60%, 23%)
HSV	hsv(202, 75%, 37%)
CMYK	cmyk(74.7%, 27.4%, 0%, 62.7%)
CIE-LAB	lab(27.51, -5.72, -19.80)
CIE-LCH	lch(27.51, 20.61, 253.88°)
OKLab	oklab(37.24% -0.0352 -0.0558)
OKLCH	oklch(37.24% 0.066 237.7)
XYZ	xyz(4.5696, 5.2762, 11.6018)
Luminance	0.0528 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18455F #5F3218

analogous

#185F55 #18455F #18215F

triadic

#18455F #5F1845 #455F18

tetradic

#18455F #55185F #5F3218 #215F18

square

#18455F #55185F #5F3218 #215F18

split-complementary

#18455F #5F1821 #5F5518

monochromatic

#061218 #0C222E #18455F #246890 #318CC1

Accessibility & contrast

On white

10.22

#18455F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#18455F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18455F

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18455F	#FFFFFF	#000000	##FFFFFF
##18455F	1.00	10.22	2.06	10.22
#FFFFFF	10.22	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#394560

Deuteranopia (green-blind)

#2F3E5F

Tritanopia (blue-blind)

#004C4E

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #18455f;
/* rgb */ color: rgb(24, 69, 95);
/* oklch */ color: oklch(37.2% 0.066 237.7);

Tailwind

colors: {
  custom: {
    50: '#5f788c',
    500: '#18455f',
    950: '#000000',
  },
}

SCSS

$custom: #18455f;
$custom-light: #5f788c;
$custom-dark: #000000;

JSON

{
  "hex": "#18455f",
  "rgb": {
    "r": 24,
    "g": 69,
    "b": 95
  },
  "hsl": {
    "h": 201.972,
    "s": 59.664,
    "l": 23.333
  },
  "oklch": {
    "l": 0.3724,
    "c": 0.06595,
    "h": 237.7
  },
  "luminance": 0.05277
}

Semantic roles & 50–950 ramp

primary

#18455F

secondary

#955E3D

accent

#7F45E3

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05090C

muted

#797B7D

Preview Lab

Preview with #18455F

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

Preview Lab → · Contrast checker → · Palette generator →