#284A95#284A95

#284A95 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 42.7% C 0.130 H 263.5°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#284A95
RGB	rgb(40, 74, 149)
HSL	hsl(221, 58%, 37%)
HSV	hsv(221, 73%, 58%)
CMYK	cmyk(73.2%, 50.3%, 0%, 41.6%)
CIE-LAB	lab(32.96, 14.71, -44.89)
CIE-LCH	lch(32.96, 47.24, 288.15°)
OKLab	oklab(42.71% -0.0146 -0.1289)
OKLCH	oklch(42.71% 0.13 263.5)
XYZ	xyz(8.7467, 7.5177, 29.4180)
Luminance	0.0752 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284A95 #957328

analogous

#288195 #284A95 #3C2895

triadic

#284A95 #95284A #4A9528

tetradic

#284A95 #952881 #957328 #28953C

square

#284A95 #952881 #957328 #28953C

split-complementary

#284A95 #953C28 #819528

monochromatic

#0E1A35 #1B3265 #284A95 #3562C5 #6286D5

Accessibility & contrast

On white

8.39

#284A95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#284A95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284A95

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284A95	#FFFFFF	#000000	##FFFFFF
##284A95	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F5398

Deuteranopia (green-blind)

#004993

Tritanopia (blue-blind)

#005C68

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #284a95;
/* rgb */ color: rgb(40, 74, 149);
/* oklch */ color: oklch(42.7% 0.130 263.5);

Tailwind

colors: {
  custom: {
    50: '#717cb5',
    500: '#284a95',
    950: '#000000',
  },
}

SCSS

$custom: #284a95;
$custom-light: #717cb5;
$custom-dark: #000000;

JSON

{
  "hex": "#284a95",
  "rgb": {
    "r": 40,
    "g": 74,
    "b": 149
  },
  "hsl": {
    "h": 221.284,
    "s": 57.672,
    "l": 37.059
  },
  "oklch": {
    "l": 0.42711,
    "c": 0.12971,
    "h": 263.5
  },
  "luminance": 0.07519
}

Semantic roles & 50–950 ramp

primary

#284A95

secondary

#BB9E5E

accent

#B147E1

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #284A95

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

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