#284E96#284E96

#284E96 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 43.7% C 0.126 H 261.7°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#284E96
RGB	rgb(40, 78, 150)
HSL	hsl(219, 58%, 37%)
HSV	hsv(219, 73%, 59%)
CMYK	cmyk(73.3%, 48%, 0%, 41.2%)
CIE-LAB	lab(34.19, 12.41, -43.51)
CIE-LCH	lch(34.19, 45.24, 285.92°)
OKLab	oklab(43.68% -0.0181 -0.1247)
OKLCH	oklch(43.68% 0.126 261.7)
XYZ	xyz(9.1025, 8.1009, 29.9322)
Luminance	0.0810 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284E96 #967028

analogous

#288596 #284E96 #392896

triadic

#284E96 #96284E #4E9628

tetradic

#284E96 #962885 #967028 #289639

square

#284E96 #962885 #967028 #289639

split-complementary

#284E96 #963928 #859628

monochromatic

#0E1C35 #1B3566 #284E96 #3567C6 #638BD5

Accessibility & contrast

On white

8.01

#284E96 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#284E96 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284E96

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284E96	#FFFFFF	#000000	##FFFFFF
##284E96	1.00	8.01	2.62	8.01
#FFFFFF	8.01	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#285699

Deuteranopia (green-blind)

#0C4C95

Tritanopia (blue-blind)

#005F6A

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #284e96;
/* rgb */ color: rgb(40, 78, 150);
/* oklch */ color: oklch(43.7% 0.126 261.7);

Tailwind

colors: {
  custom: {
    50: '#717fb5',
    500: '#284e96',
    950: '#000000',
  },
}

SCSS

$custom: #284e96;
$custom-light: #717fb5;
$custom-dark: #000000;

JSON

{
  "hex": "#284e96",
  "rgb": {
    "r": 40,
    "g": 78,
    "b": 150
  },
  "hsl": {
    "h": 219.273,
    "s": 57.895,
    "l": 37.255
  },
  "oklch": {
    "l": 0.43678,
    "c": 0.12606,
    "h": 261.7
  },
  "luminance": 0.08102
}

Semantic roles & 50–950 ramp

primary

#284E96

secondary

#BB9B5F

accent

#AC47E1

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #284E96

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

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