#18427C#18427C

#18427C is a dark, moderate cyan. Relative luminance 0.055; OKLCH L 38.4% C 0.109 H 257.4°. Best body text is #FFFFFF at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#18427C
RGB	rgb(24, 66, 124)
HSL	hsl(215, 68%, 29%)
HSV	hsv(215, 81%, 49%)
CMYK	cmyk(80.6%, 46.8%, 0%, 51.4%)
CIE-LAB	lab(28.23, 7.99, -37.08)
CIE-LCH	lch(28.23, 37.93, 282.17°)
OKLab	oklab(38.36% -0.0237 -0.1063)
OKLCH	oklch(38.36% 0.109 257.4)
XYZ	xyz(5.9617, 5.5452, 19.8210)
Luminance	0.0555 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18427C #7C5218

analogous

#18747C #18427C #20187C

triadic

#18427C #7C1842 #427C18

tetradic

#18427C #7C1874 #7C5218 #187C20

square

#18427C #7C1874 #7C5218 #187C20

split-complementary

#18427C #7C2018 #747C18

monochromatic

#050E1A #0E2749 #18427C #225DAF #367AD8

Accessibility & contrast

On white

9.96

#18427C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#18427C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18427C

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18427C	#FFFFFF	#000000	##FFFFFF
##18427C	1.00	9.96	2.11	9.96
#FFFFFF	9.96	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24477E

Deuteranopia (green-blind)

#0E3E7B

Tritanopia (blue-blind)

#005059

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #18427c;
/* rgb */ color: rgb(24, 66, 124);
/* oklch */ color: oklch(38.4% 0.109 257.4);

Tailwind

colors: {
  custom: {
    50: '#6575a2',
    500: '#18427c',
    950: '#000000',
  },
}

SCSS

$custom: #18427c;
$custom-light: #6575a2;
$custom-dark: #000000;

JSON

{
  "hex": "#18427c",
  "rgb": {
    "r": 24,
    "g": 66,
    "b": 124
  },
  "hsl": {
    "h": 214.8,
    "s": 67.568,
    "l": 29.02
  },
  "oklch": {
    "l": 0.38364,
    "c": 0.10895,
    "h": 257.4
  },
  "luminance": 0.05546
}

Semantic roles & 50–950 ramp

primary

#18427C

secondary

#B1813F

accent

#A23DEA

background

#F6F7FA

surface

#EBEDF3

border

#C6C8CD

text

#06080F

muted

#7A7B7F

Preview Lab

Preview with #18427C

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

Preview Lab → · Contrast checker → · Palette generator →