#18256E#18256E

#18256E is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.7% C 0.127 H 269.4°. Best body text is #FFFFFF at 13.74:1 contrast (WCAG AA passes).

Color values

HEX	#18256E
RGB	rgb(24, 37, 110)
HSL	hsl(231, 64%, 26%)
HSV	hsv(231, 78%, 43%)
CMYK	cmyk(78.2%, 66.4%, 0%, 56.9%)
CIE-LAB	lab(18.55, 22.81, -43.85)
CIE-LCH	lch(18.55, 49.43, 297.48°)
OKLab	oklab(30.68% -0.0013 -0.1267)
OKLCH	oklch(30.68% 0.127 269.4)
XYZ	xyz(3.8518, 2.6427, 15.0559)
Luminance	0.0264 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18256E #6E6118

analogous

#18506E #18256E #36186E

triadic

#18256E #6E1825 #256E18

tetradic

#18256E #6E1850 #6E6118 #186E36

square

#18256E #6E1850 #6E6118 #186E36

split-complementary

#18256E #6E3618 #506E18

monochromatic

#050819 #0D143C #18256E #2336A0 #2F47D2

Accessibility & contrast

On white

13.74

#18256E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#18256E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18256E

13.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18256E	#FFFFFF	#000000	##FFFFFF
##18256E	1.00	13.74	1.53	13.74
#FFFFFF	13.74	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003170

Deuteranopia (green-blind)

#00296D

Tritanopia (blue-blind)

#003845

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #18256e;
/* rgb */ color: rgb(24, 37, 110);
/* oklch */ color: oklch(30.7% 0.127 269.4);

Tailwind

colors: {
  custom: {
    50: '#645f98',
    500: '#18256e',
    950: '#000000',
  },
}

SCSS

$custom: #18256e;
$custom-light: #645f98;
$custom-dark: #000000;

JSON

{
  "hex": "#18256e",
  "rgb": {
    "r": 24,
    "g": 37,
    "b": 110
  },
  "hsl": {
    "h": 230.93,
    "s": 64.179,
    "l": 26.275
  },
  "oklch": {
    "l": 0.30683,
    "c": 0.12676,
    "h": 269.4
  },
  "luminance": 0.02643
}

Semantic roles & 50–950 ramp

primary

#18256E

secondary

#A4943E

accent

#CE41E7

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #18256E

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

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