#183785#183785

#183785 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.6% C 0.136 H 264.2°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#183785
RGB	rgb(24, 55, 133)
HSL	hsl(223, 69%, 31%)
HSV	hsv(223, 82%, 52%)
CMYK	cmyk(82%, 58.6%, 0%, 47.8%)
CIE-LAB	lab(25.62, 19.41, -46.94)
CIE-LCH	lch(25.62, 50.79, 292.46°)
OKLab	oklab(36.58% -0.0137 -0.1355)
OKLCH	oklch(36.58% 0.136 264.2)
XYZ	xyz(5.9750, 4.6193, 22.7625)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183785 #856618

analogous

#186D85 #183785 #2F1885

triadic

#183785 #851837 #378518

tetradic

#183785 #85186D #856618 #18852F

square

#183785 #85186D #856618 #18852F

split-complementary

#183785 #852F18 #6D8518

monochromatic

#050C1D #0F2251 #183785 #214CB9 #3C69DC

Accessibility & contrast

On white

10.91

#183785 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#183785 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183785

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183785	#FFFFFF	#000000	##FFFFFF
##183785	1.00	10.91	1.92	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004288

Deuteranopia (green-blind)

#003883

Tritanopia (blue-blind)

#004B58

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #183785;
/* rgb */ color: rgb(24, 55, 133);
/* oklch */ color: oklch(36.6% 0.136 264.2);

Tailwind

colors: {
  custom: {
    50: '#686da9',
    500: '#183785',
    950: '#000000',
  },
}

SCSS

$custom: #183785;
$custom-light: #686da9;
$custom-dark: #000000;

JSON

{
  "hex": "#183785",
  "rgb": {
    "r": 24,
    "g": 55,
    "b": 133
  },
  "hsl": {
    "h": 222.936,
    "s": 69.427,
    "l": 30.784
  },
  "oklch": {
    "l": 0.36584,
    "c": 0.13624,
    "h": 264.2
  },
  "luminance": 0.0462
}

Semantic roles & 50–950 ramp

primary

#183785

secondary

#B99640

accent

#BA3CEC

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #183785

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

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