#18455E#18455E

#18455E is a dark, moderate cyan. Relative luminance 0.053; OKLCH L 37.2% C 0.065 H 236.7°. Best body text is #FFFFFF at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#18455E
RGB	rgb(24, 69, 94)
HSL	hsl(201, 59%, 23%)
HSV	hsv(201, 74%, 37%)
CMYK	cmyk(74.5%, 26.6%, 0%, 63.1%)
CIE-LAB	lab(27.46, -6.11, -19.24)
CIE-LCH	lch(27.46, 20.18, 252.38°)
OKLab	oklab(37.19% -0.0356 -0.0541)
OKLCH	oklch(37.19% 0.065 236.7)
XYZ	xyz(4.5244, 5.2581, 11.3640)
Luminance	0.0526 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18455E #5E3118

analogous

#185E54 #18455E #18225E

triadic

#18455E #5E1845 #455E18

tetradic

#18455E #54185E #5E3118 #225E18

square

#18455E #54185E #5E3118 #225E18

split-complementary

#18455E #5E1822 #5E5418

monochromatic

#061218 #0C212D #18455E #24698F #318DC0

Accessibility & contrast

On white

10.23

#18455E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#18455E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18455E

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18455E	#FFFFFF	#000000	##FFFFFF
##18455E	1.00	10.23	2.05	10.23
#FFFFFF	10.23	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39455F

Deuteranopia (green-blind)

#303E5E

Tritanopia (blue-blind)

#004B4E

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #18455e;
/* rgb */ color: rgb(24, 69, 94);
/* oklch */ color: oklch(37.2% 0.065 236.7);

Tailwind

colors: {
  custom: {
    50: '#5f788b',
    500: '#18455e',
    950: '#000000',
  },
}

SCSS

$custom: #18455e;
$custom-light: #5f788b;
$custom-dark: #000000;

JSON

{
  "hex": "#18455e",
  "rgb": {
    "r": 24,
    "g": 69,
    "b": 94
  },
  "hsl": {
    "h": 201.429,
    "s": 59.322,
    "l": 23.137
  },
  "oklch": {
    "l": 0.37185,
    "c": 0.06479,
    "h": 236.7
  },
  "luminance": 0.05259
}

Semantic roles & 50–950 ramp

primary

#18455E

secondary

#945C3D

accent

#7D45E3

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05090C

muted

#797B7D

Preview Lab

Preview with #18455E

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

Preview Lab → · Contrast checker → · Palette generator →