#182D88#182D88

#182D88 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.8% C 0.153 H 267.2°. Best body text is #FFFFFF at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#182D88
RGB	rgb(24, 45, 136)
HSL	hsl(229, 70%, 31%)
HSV	hsv(229, 82%, 53%)
CMYK	cmyk(82.4%, 66.9%, 0%, 46.7%)
CIE-LAB	lab(23.16, 27.56, -52.83)
CIE-LCH	lch(23.16, 59.59, 297.55°)
OKLab	oklab(34.84% -0.0073 -0.153)
OKLCH	oklch(34.84% 0.153 267.2)
XYZ	xyz(5.7575, 3.8479, 23.7270)
Luminance	0.0385 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182D88 #887318

analogous

#186588 #182D88 #3B1888

triadic

#182D88 #88182D #2D8818

tetradic

#182D88 #881865 #887318 #18883B

square

#182D88 #881865 #887318 #18883B

split-complementary

#182D88 #883B18 #658818

monochromatic

#060B20 #0F1C54 #182D88 #213EBC #3E5BDD

Accessibility & contrast

On white

11.87

#182D88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#182D88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182D88

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182D88	#FFFFFF	#000000	##FFFFFF
##182D88	1.00	11.87	1.77	11.87
#FFFFFF	11.87	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8B

Deuteranopia (green-blind)

#003286

Tritanopia (blue-blind)

#004556

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #182d88;
/* rgb */ color: rgb(24, 45, 136);
/* oklch */ color: oklch(34.8% 0.153 267.2);

Tailwind

colors: {
  custom: {
    50: '#6a65ac',
    500: '#182d88',
    950: '#000000',
  },
}

SCSS

$custom: #182d88;
$custom-light: #6a65ac;
$custom-dark: #000000;

JSON

{
  "hex": "#182d88",
  "rgb": {
    "r": 24,
    "g": 45,
    "b": 136
  },
  "hsl": {
    "h": 228.75,
    "s": 70,
    "l": 31.373
  },
  "oklch": {
    "l": 0.34838,
    "c": 0.15315,
    "h": 267.2
  },
  "luminance": 0.03849
}

Semantic roles & 50–950 ramp

primary

#182D88

secondary

#BCA440

accent

#CB3BED

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080510

muted

#7A7A7F

Preview Lab

Preview with #182D88

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

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