#181A30#181A30

#181A30 is a very dark, muted blue. Relative luminance 0.011; OKLCH L 22.8% C 0.043 H 278.5°. Best body text is #FFFFFF at 17.08:1 contrast (WCAG AA passes).

Color values

HEX	#181A30
RGB	rgb(24, 26, 48)
HSL	hsl(235, 33%, 14%)
HSV	hsv(235, 50%, 19%)
CMYK	cmyk(50%, 45.8%, 0%, 81.2%)
CIE-LAB	lab(10.16, 6.20, -14.97)
CIE-LCH	lch(10.16, 16.20, 292.50°)
OKLab	oklab(22.78% 0.0063 -0.0421)
OKLCH	oklch(22.78% 0.043 278.5)
XYZ	xyz(1.2794, 1.1463, 2.9496)
Luminance	0.0115 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181A30 #302E18

analogous

#182630 #181A30 #221830

triadic

#181A30 #30181A #1A3018

tetradic

#181A30 #301826 #302E18 #183022

square

#181A30 #301826 #302E18 #183022

split-complementary

#181A30 #302218 #263018

monochromatic

#0A0B14 #0A0B14 #181A30 #2C3059 #414682

Accessibility & contrast

On white

17.08

#181A30 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#181A30 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181A30

17.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181A30	#FFFFFF	#000000	##FFFFFF
##181A30	1.00	17.08	1.23	17.08
#FFFFFF	17.08	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#121D31

Deuteranopia (green-blind)

#111B2F

Tritanopia (blue-blind)

#111E22

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #181a30;
/* rgb */ color: rgb(24, 26, 48);
/* oklch */ color: oklch(22.8% 0.043 278.5);

Tailwind

colors: {
  custom: {
    50: '#565668',
    500: '#181a30',
    950: '#000000',
  },
}

SCSS

$custom: #181a30;
$custom-light: #565668;
$custom-dark: #000000;

JSON

{
  "hex": "#181a30",
  "rgb": {
    "r": 24,
    "g": 26,
    "b": 48
  },
  "hsl": {
    "h": 235,
    "s": 33.333,
    "l": 14.118
  },
  "oklch": {
    "l": 0.22781,
    "c": 0.04257,
    "h": 278.5
  },
  "luminance": 0.01146
}

Semantic roles & 50–950 ramp

primary

#181A30

secondary

#65623F

accent

#C15EC9

background

#F5F5F6

surface

#E9E9EB

border

#C5C5C6

text

#030306

muted

#78787A

Preview Lab

Preview with #181A30

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

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