#284B96#284B96

#284B96 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.0% C 0.130 H 263.2°. Best body text is #FFFFFF at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#284B96
RGB	rgb(40, 75, 150)
HSL	hsl(221, 58%, 37%)
HSV	hsv(221, 73%, 59%)
CMYK	cmyk(73.3%, 50%, 0%, 41.2%)
CIE-LAB	lab(33.32, 14.43, -44.91)
CIE-LCH	lch(33.32, 47.18, 287.81°)
OKLab	oklab(43.01% -0.0154 -0.1289)
OKLCH	oklch(43.01% 0.13 263.2)
XYZ	xyz(8.8942, 7.6843, 29.8627)
Luminance	0.0769 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284B96 #967328

analogous

#288296 #284B96 #3C2896

triadic

#284B96 #96284B #4B9628

tetradic

#284B96 #962882 #967328 #28963C

square

#284B96 #962882 #967328 #28963C

split-complementary

#284B96 #963C28 #829628

monochromatic

#0E1B35 #1B3366 #284B96 #3563C6 #6387D5

Accessibility & contrast

On white

8.28

#284B96 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#284B96 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284B96

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284B96	#FFFFFF	#000000	##FFFFFF
##284B96	1.00	8.28	2.54	8.28
#FFFFFF	8.28	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#205499

Deuteranopia (green-blind)

#004A94

Tritanopia (blue-blind)

#005D69

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #284b96;
/* rgb */ color: rgb(40, 75, 150);
/* oklch */ color: oklch(43.0% 0.130 263.2);

Tailwind

colors: {
  custom: {
    50: '#717cb5',
    500: '#284b96',
    950: '#000000',
  },
}

SCSS

$custom: #284b96;
$custom-light: #717cb5;
$custom-dark: #000000;

JSON

{
  "hex": "#284b96",
  "rgb": {
    "r": 40,
    "g": 75,
    "b": 150
  },
  "hsl": {
    "h": 220.909,
    "s": 57.895,
    "l": 37.255
  },
  "oklch": {
    "l": 0.43008,
    "c": 0.12986,
    "h": 263.2
  },
  "luminance": 0.07685
}

Semantic roles & 50–950 ramp

primary

#284B96

secondary

#BB9E5F

accent

#B047E1

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #284B96

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

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