#18538E#18538E

#18538E is a dark, moderate cyan. Relative luminance 0.083; OKLCH L 43.7% C 0.114 H 252.2°. Best body text is #FFFFFF at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#18538E
RGB	rgb(24, 83, 142)
HSL	hsl(210, 71%, 33%)
HSV	hsv(210, 83%, 56%)
CMYK	cmyk(83.1%, 41.5%, 0%, 44.3%)
CIE-LAB	lab(34.67, 3.89, -37.91)
CIE-LCH	lch(34.67, 38.11, 275.86°)
OKLab	oklab(43.73% -0.0348 -0.1084)
OKLCH	oklch(43.73% 0.114 252.2)
XYZ	xyz(8.3506, 8.3327, 26.7542)
Luminance	0.0833 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18538E #8E5318

analogous

#188E8E #18538E #18188E

triadic

#18538E #8E1853 #538E18

tetradic

#18538E #8E188E #8E5318 #188E18

square

#18538E #8E188E #8E5318 #188E18

split-complementary

#18538E #8E1818 #8E8E18

monochromatic

#061625 #0F345A #18538E #2172C2 #4190DF

Accessibility & contrast

On white

7.87

#18538E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#18538E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18538E

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18538E	#FFFFFF	#000000	##FFFFFF
##18538E	1.00	7.87	2.67	7.87
#FFFFFF	7.87	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#365790

Deuteranopia (green-blind)

#224D8D

Tritanopia (blue-blind)

#006169

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #18538e;
/* rgb */ color: rgb(24, 83, 142);
/* oklch */ color: oklch(43.7% 0.114 252.2);

Tailwind

colors: {
  custom: {
    50: '#6a82af',
    500: '#18538e',
    950: '#000000',
  },
}

SCSS

$custom: #18538e;
$custom-light: #6a82af;
$custom-dark: #000000;

JSON

{
  "hex": "#18538e",
  "rgb": {
    "r": 24,
    "g": 83,
    "b": 142
  },
  "hsl": {
    "h": 210,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.43733,
    "c": 0.11385,
    "h": 252.2
  },
  "luminance": 0.08334
}

Semantic roles & 50–950 ramp

primary

#18538E

secondary

#C08142

accent

#943AEE

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #18538E

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

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