#283C92#283C92

#283C92 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.5% C 0.144 H 268.9°. Best body text is #FFFFFF at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#283C92
RGB	rgb(40, 60, 146)
HSL	hsl(229, 57%, 36%)
HSV	hsv(229, 73%, 57%)
CMYK	cmyk(72.6%, 58.9%, 0%, 42.7%)
CIE-LAB	lab(28.79, 23.07, -49.80)
CIE-LCH	lch(28.79, 54.88, 294.86°)
OKLab	oklab(39.49% -0.0028 -0.1436)
OKLCH	oklch(39.49% 0.144 268.9)
XYZ	xyz(7.6775, 5.7574, 27.8952)
Luminance	0.0576 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283C92 #927E28

analogous

#287192 #283C92 #492892

triadic

#283C92 #92283C #3C9228

tetradic

#283C92 #922871 #927E28 #289249

square

#283C92 #922871 #927E28 #289249

split-complementary

#283C92 #924928 #719228

monochromatic

#0E1532 #1B2862 #283C92 #3550C2 #6176D4

Accessibility & contrast

On white

9.76

#283C92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#283C92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283C92

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283C92	#FFFFFF	#000000	##FFFFFF
##283C92	1.00	9.76	2.15	9.76
#FFFFFF	9.76	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004995

Deuteranopia (green-blind)

#003F90

Tritanopia (blue-blind)

#005161

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #283c92;
/* rgb */ color: rgb(40, 60, 146);
/* oklch */ color: oklch(39.5% 0.144 268.9);

Tailwind

colors: {
  custom: {
    50: '#7171b3',
    500: '#283c92',
    950: '#000000',
  },
}

SCSS

$custom: #283c92;
$custom-light: #7171b3;
$custom-dark: #000000;

JSON

{
  "hex": "#283c92",
  "rgb": {
    "r": 40,
    "g": 60,
    "b": 146
  },
  "hsl": {
    "h": 228.679,
    "s": 56.989,
    "l": 36.471
  },
  "oklch": {
    "l": 0.39492,
    "c": 0.14359,
    "h": 268.9
  },
  "luminance": 0.05758
}

Semantic roles & 50–950 ramp

primary

#283C92

secondary

#B9A85D

accent

#C348E0

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #283C92

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

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