#284A94#284A94

#284A94 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 42.6% C 0.128 H 263.4°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#284A94
RGB	rgb(40, 74, 148)
HSL	hsl(221, 57%, 37%)
HSV	hsv(221, 73%, 58%)
CMYK	cmyk(73%, 50%, 0%, 42%)
CIE-LAB	lab(32.89, 14.33, -44.39)
CIE-LCH	lch(32.89, 46.64, 287.89°)
OKLab	oklab(42.64% -0.0147 -0.1274)
OKLCH	oklch(42.64% 0.128 263.4)
XYZ	xyz(8.6673, 7.4859, 28.9994)
Luminance	0.0749 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284A94 #947228

analogous

#288094 #284A94 #3C2894

triadic

#284A94 #94284A #4A9428

tetradic

#284A94 #942880 #947228 #28943C

square

#284A94 #942880 #947228 #28943C

split-complementary

#284A94 #943C28 #809428

monochromatic

#0E1A34 #1B3264 #284A94 #3562C4 #6286D5

Accessibility & contrast

On white

8.41

#284A94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#284A94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284A94

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284A94	#FFFFFF	#000000	##FFFFFF
##284A94	1.00	8.41	2.50	8.41
#FFFFFF	8.41	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#205397

Deuteranopia (green-blind)

#004993

Tritanopia (blue-blind)

#005B68

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #284a94;
/* rgb */ color: rgb(40, 74, 148);
/* oklch */ color: oklch(42.6% 0.128 263.4);

Tailwind

colors: {
  custom: {
    50: '#707cb4',
    500: '#284a94',
    950: '#000000',
  },
}

SCSS

$custom: #284a94;
$custom-light: #707cb4;
$custom-dark: #000000;

JSON

{
  "hex": "#284a94",
  "rgb": {
    "r": 40,
    "g": 74,
    "b": 148
  },
  "hsl": {
    "h": 221.111,
    "s": 57.447,
    "l": 36.863
  },
  "oklch": {
    "l": 0.42636,
    "c": 0.12827,
    "h": 263.4
  },
  "luminance": 0.07487
}

Semantic roles & 50–950 ramp

primary

#284A94

secondary

#BA9D5E

accent

#B047E1

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #284A94

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

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