#284A96#284A96

#284A96 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 42.8% C 0.131 H 263.7°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#284A96
RGB	rgb(40, 74, 150)
HSL	hsl(221, 58%, 37%)
HSV	hsv(221, 73%, 59%)
CMYK	cmyk(73.3%, 50.7%, 0%, 41.2%)
CIE-LAB	lab(33.03, 15.10, -45.38)
CIE-LCH	lch(33.03, 47.83, 288.41°)
OKLab	oklab(42.79% -0.0145 -0.1303)
OKLCH	oklch(42.79% 0.131 263.7)
XYZ	xyz(8.8269, 7.5497, 29.8403)
Luminance	0.0755 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284A96 #967428

analogous

#288196 #284A96 #3D2896

triadic

#284A96 #96284A #4A9628

tetradic

#284A96 #962881 #967428 #28963D

square

#284A96 #962881 #967428 #28963D

split-complementary

#284A96 #963D28 #819628

monochromatic

#0E1A35 #1B3266 #284A96 #3562C6 #6386D5

Accessibility & contrast

On white

8.37

#284A96 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#284A96 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284A96

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284A96	#FFFFFF	#000000	##FFFFFF
##284A96	1.00	8.37	2.51	8.37
#FFFFFF	8.37	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E5399

Deuteranopia (green-blind)

#004994

Tritanopia (blue-blind)

#005C69

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #284a96;
/* rgb */ color: rgb(40, 74, 150);
/* oklch */ color: oklch(42.8% 0.131 263.7);

Tailwind

colors: {
  custom: {
    50: '#717cb5',
    500: '#284a96',
    950: '#000000',
  },
}

SCSS

$custom: #284a96;
$custom-light: #717cb5;
$custom-dark: #000000;

JSON

{
  "hex": "#284a96",
  "rgb": {
    "r": 40,
    "g": 74,
    "b": 150
  },
  "hsl": {
    "h": 221.455,
    "s": 57.895,
    "l": 37.255
  },
  "oklch": {
    "l": 0.42787,
    "c": 0.13114,
    "h": 263.7
  },
  "luminance": 0.07551
}

Semantic roles & 50–950 ramp

primary

#284A96

secondary

#BB9F5F

accent

#B147E1

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #284A96

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

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