#284C86#284C86

#284C86 is a dark, moderate blue. Relative luminance 0.073; OKLCH L 42.1% C 0.105 H 259.5°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#284C86
RGB	rgb(40, 76, 134)
HSL	hsl(217, 54%, 34%)
HSV	hsv(217, 70%, 53%)
CMYK	cmyk(70.1%, 43.3%, 0%, 47.5%)
CIE-LAB	lab(32.57, 7.57, -36.33)
CIE-LCH	lch(32.57, 37.10, 281.77°)
OKLab	oklab(42.1% -0.0192 -0.1037)
OKLCH	oklch(42.1% 0.105 259.5)
XYZ	xyz(7.7610, 7.3404, 23.5575)
Luminance	0.0734 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284C86 #866228

analogous

#287B86 #284C86 #332886

triadic

#284C86 #86284C #4C8628

tetradic

#284C86 #86287B #866228 #288633

square

#284C86 #86287B #866228 #288633

split-complementary

#284C86 #863328 #7B8628

monochromatic

#0C1728 #1A3157 #284C86 #3667B5 #5B87CE

Accessibility & contrast

On white

8.51

#284C86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#284C86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284C86

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284C86	#FFFFFF	#000000	##FFFFFF
##284C86	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#315188

Deuteranopia (green-blind)

#224985

Tritanopia (blue-blind)

#005962

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #284c86;
/* rgb */ color: rgb(40, 76, 134);
/* oklch */ color: oklch(42.1% 0.105 259.5);

Tailwind

colors: {
  custom: {
    50: '#6d7da9',
    500: '#284c86',
    950: '#000000',
  },
}

SCSS

$custom: #284c86;
$custom-light: #6d7da9;
$custom-dark: #000000;

JSON

{
  "hex": "#284c86",
  "rgb": {
    "r": 40,
    "g": 76,
    "b": 134
  },
  "hsl": {
    "h": 217.021,
    "s": 54.023,
    "l": 34.118
  },
  "oklch": {
    "l": 0.42097,
    "c": 0.10543,
    "h": 259.5
  },
  "luminance": 0.07341
}

Semantic roles & 50–950 ramp

primary

#284C86

secondary

#B39057

accent

#A54ADD

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#080910

muted

#7A7B7F

Preview Lab

Preview with #284C86

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

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