#284B95#284B95

#284B95 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 42.9% C 0.128 H 263.1°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#284B95
RGB	rgb(40, 75, 149)
HSL	hsl(221, 58%, 37%)
HSV	hsv(221, 73%, 58%)
CMYK	cmyk(73.2%, 49.7%, 0%, 41.6%)
CIE-LAB	lab(33.25, 14.04, -44.42)
CIE-LCH	lch(33.25, 46.58, 287.54°)
OKLab	oklab(42.93% -0.0155 -0.1275)
OKLCH	oklch(42.93% 0.128 263.1)
XYZ	xyz(8.8140, 7.6523, 29.4405)
Luminance	0.0765 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284B95 #957228

analogous

#288295 #284B95 #3C2895

triadic

#284B95 #95284B #4B9528

tetradic

#284B95 #952882 #957228 #28953C

square

#284B95 #952882 #957228 #28953C

split-complementary

#284B95 #953C28 #829528

monochromatic

#0E1A35 #1B3365 #284B95 #3563C5 #6287D5

Accessibility & contrast

On white

8.30

#284B95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#284B95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284B95

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284B95	#FFFFFF	#000000	##FFFFFF
##284B95	1.00	8.30	2.53	8.30
#FFFFFF	8.30	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#225398

Deuteranopia (green-blind)

#004994

Tritanopia (blue-blind)

#005C69

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #284b95;
/* rgb */ color: rgb(40, 75, 149);
/* oklch */ color: oklch(42.9% 0.128 263.1);

Tailwind

colors: {
  custom: {
    50: '#717cb5',
    500: '#284b95',
    950: '#000000',
  },
}

SCSS

$custom: #284b95;
$custom-light: #717cb5;
$custom-dark: #000000;

JSON

{
  "hex": "#284b95",
  "rgb": {
    "r": 40,
    "g": 75,
    "b": 149
  },
  "hsl": {
    "h": 220.734,
    "s": 57.672,
    "l": 37.059
  },
  "oklch": {
    "l": 0.42933,
    "c": 0.12842,
    "h": 263.1
  },
  "luminance": 0.07653
}

Semantic roles & 50–950 ramp

primary

#284B95

secondary

#BB9D5E

accent

#AF47E1

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #284B95

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

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