#182E87#182E87

#182E87 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 34.9% C 0.151 H 267.0°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#182E87
RGB	rgb(24, 46, 135)
HSL	hsl(228, 70%, 31%)
HSV	hsv(228, 82%, 53%)
CMYK	cmyk(82.2%, 65.9%, 0%, 47.1%)
CIE-LAB	lab(23.33, 26.49, -51.94)
CIE-LCH	lch(23.33, 58.30, 297.02°)
OKLab	oklab(34.93% -0.0079 -0.1503)
OKLCH	oklch(34.93% 0.151 267)
XYZ	xyz(5.7253, 3.8968, 23.3674)
Luminance	0.0390 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182E87 #877118

analogous

#186587 #182E87 #391887

triadic

#182E87 #87182E #2E8718

tetradic

#182E87 #871865 #877118 #188739

square

#182E87 #871865 #877118 #188739

split-complementary

#182E87 #873918 #658718

monochromatic

#060B1F #0F1C53 #182E87 #2140BB #3D5DDC

Accessibility & contrast

On white

11.80

#182E87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#182E87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182E87

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182E87	#FFFFFF	#000000	##FFFFFF
##182E87	1.00	11.80	1.78	11.80
#FFFFFF	11.80	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8A

Deuteranopia (green-blind)

#003285

Tritanopia (blue-blind)

#004656

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #182e87;
/* rgb */ color: rgb(24, 46, 135);
/* oklch */ color: oklch(34.9% 0.151 267.0);

Tailwind

colors: {
  custom: {
    50: '#6a66ab',
    500: '#182e87',
    950: '#000000',
  },
}

SCSS

$custom: #182e87;
$custom-light: #6a66ab;
$custom-dark: #000000;

JSON

{
  "hex": "#182e87",
  "rgb": {
    "r": 24,
    "g": 46,
    "b": 135
  },
  "hsl": {
    "h": 228.108,
    "s": 69.811,
    "l": 31.176
  },
  "oklch": {
    "l": 0.3493,
    "c": 0.15054,
    "h": 267
  },
  "luminance": 0.03897
}

Semantic roles & 50–950 ramp

primary

#182E87

secondary

#BBA240

accent

#C93BED

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #182E87

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

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