#18123E#18123E

#18123E is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.1% C 0.081 H 283.8°. Best body text is #FFFFFF at 17.57:1 contrast (WCAG AA passes).

Color values

HEX	#18123E
RGB	rgb(24, 18, 62)
HSL	hsl(248, 55%, 16%)
HSV	hsv(248, 71%, 24%)
CMYK	cmyk(61.3%, 71%, 0%, 75.7%)
CIE-LAB	lab(8.78, 17.56, -27.28)
CIE-LCH	lch(8.78, 32.44, 302.77°)
OKLab	oklab(22.1% 0.0193 -0.0783)
OKLCH	oklch(22.1% 0.081 283.8)
XYZ	xyz(1.4622, 0.9745, 4.6675)
Luminance	0.0097 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Navy Blue (survey)

#001146

ΔE00 4.49

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18123E #383E12

analogous

#12223E #18123E #2E123E

triadic

#18123E #3E1812 #123E18

tetradic

#18123E #3E1222 #383E12 #123E2E

square

#18123E #3E1222 #383E12 #123E2E

split-complementary

#18123E #3E2E12 #223E12

monochromatic

#090718 #090718 #18123E #2A206D #3D2E9D

Accessibility & contrast

On white

17.57

#18123E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#18123E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18123E

17.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18123E	#FFFFFF	#000000	##FFFFFF
##18123E	1.00	17.57	1.20	17.57
#FFFFFF	17.57	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A3F

Deuteranopia (green-blind)

#00183D

Tritanopia (blue-blind)

#081D25

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #18123e;
/* rgb */ color: rgb(24, 18, 62);
/* oklch */ color: oklch(22.1% 0.081 283.8);

Tailwind

colors: {
  custom: {
    50: '#595074',
    500: '#18123e',
    950: '#000000',
  },
}

SCSS

$custom: #18123e;
$custom-light: #595074;
$custom-dark: #000000;

JSON

{
  "hex": "#18123e",
  "rgb": {
    "r": 24,
    "g": 18,
    "b": 62
  },
  "hsl": {
    "h": 248.182,
    "s": 55,
    "l": 15.686
  },
  "oklch": {
    "l": 0.22095,
    "c": 0.0806,
    "h": 283.8
  },
  "luminance": 0.00975
}

Semantic roles & 50–950 ramp

primary

#18123E

secondary

#6E7735

accent

#DE49CA

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040208

muted

#79787B

Preview Lab

Preview with #18123E

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

Preview Lab → · Contrast checker → · Palette generator →