#284C96#284C96

#284C96 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.2% C 0.129 H 262.7°. Best body text is #FFFFFF at 8.19:1 contrast (WCAG AA passes).

Color values

HEX	#284C96
RGB	rgb(40, 76, 150)
HSL	hsl(220, 58%, 37%)
HSV	hsv(220, 73%, 59%)
CMYK	cmyk(73.3%, 49.3%, 0%, 41.2%)
CIE-LAB	lab(33.61, 13.76, -44.45)
CIE-LCH	lch(33.61, 46.53, 287.20°)
OKLab	oklab(43.23% -0.0163 -0.1275)
OKLCH	oklch(43.23% 0.129 262.7)
XYZ	xyz(8.9626, 7.8211, 29.8855)
Luminance	0.0782 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284C96 #967228

analogous

#288396 #284C96 #3B2896

triadic

#284C96 #96284C #4C9628

tetradic

#284C96 #962883 #967228 #28963B

square

#284C96 #962883 #967228 #28963B

split-complementary

#284C96 #963B28 #839628

monochromatic

#0E1B35 #1B3466 #284C96 #3564C6 #6388D5

Accessibility & contrast

On white

8.19

#284C96 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#284C96 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284C96

8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284C96	#FFFFFF	#000000	##FFFFFF
##284C96	1.00	8.19	2.56	8.19
#FFFFFF	8.19	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#235499

Deuteranopia (green-blind)

#024A95

Tritanopia (blue-blind)

#005D6A

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #284c96;
/* rgb */ color: rgb(40, 76, 150);
/* oklch */ color: oklch(43.2% 0.129 262.7);

Tailwind

colors: {
  custom: {
    50: '#717db5',
    500: '#284c96',
    950: '#000000',
  },
}

SCSS

$custom: #284c96;
$custom-light: #717db5;
$custom-dark: #000000;

JSON

{
  "hex": "#284c96",
  "rgb": {
    "r": 40,
    "g": 76,
    "b": 150
  },
  "hsl": {
    "h": 220.364,
    "s": 57.895,
    "l": 37.255
  },
  "oklch": {
    "l": 0.4323,
    "c": 0.12858,
    "h": 262.7
  },
  "luminance": 0.07822
}

Semantic roles & 50–950 ramp

primary

#284C96

secondary

#BB9D5F

accent

#AF47E1

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #284C96

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

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