#283D96#283D96

#283D96 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.0% C 0.148 H 268.7°. Best body text is #FFFFFF at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#283D96
RGB	rgb(40, 61, 150)
HSL	hsl(229, 58%, 37%)
HSV	hsv(229, 73%, 59%)
CMYK	cmyk(73.3%, 59.3%, 0%, 41.2%)
CIE-LAB	lab(29.39, 23.92, -51.28)
CIE-LCH	lch(29.39, 56.58, 295.01°)
OKLab	oklab(40.04% -0.0035 -0.1479)
OKLCH	oklch(40.04% 0.148 268.7)
XYZ	xyz(8.0469, 5.9898, 29.5803)
Luminance	0.0599 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283D96 #968128

analogous

#287496 #283D96 #4A2896

triadic

#283D96 #96283D #3D9628

tetradic

#283D96 #962874 #968128 #28964A

square

#283D96 #962874 #968128 #28964A

split-complementary

#283D96 #964A28 #749628

monochromatic

#0E1635 #1B2966 #283D96 #3551C6 #6379D5

Accessibility & contrast

On white

9.55

#283D96 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#283D96 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283D96

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283D96	#FFFFFF	#000000	##FFFFFF
##283D96	1.00	9.55	2.20	9.55
#FFFFFF	9.55	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A99

Deuteranopia (green-blind)

#004094

Tritanopia (blue-blind)

#005363

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #283d96;
/* rgb */ color: rgb(40, 61, 150);
/* oklch */ color: oklch(40.0% 0.148 268.7);

Tailwind

colors: {
  custom: {
    50: '#7272b6',
    500: '#283d96',
    950: '#000000',
  },
}

SCSS

$custom: #283d96;
$custom-light: #7272b6;
$custom-dark: #000000;

JSON

{
  "hex": "#283d96",
  "rgb": {
    "r": 40,
    "g": 61,
    "b": 150
  },
  "hsl": {
    "h": 228.545,
    "s": 57.895,
    "l": 37.255
  },
  "oklch": {
    "l": 0.40038,
    "c": 0.14794,
    "h": 268.7
  },
  "luminance": 0.05991
}

Semantic roles & 50–950 ramp

primary

#283D96

secondary

#BBA95F

accent

#C447E1

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #283D96

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

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