#284DAF#284DAF

#284DAF is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.4% C 0.162 H 264.9°. Best body text is #FFFFFF at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#284DAF
RGB	rgb(40, 77, 175)
HSL	hsl(224, 63%, 42%)
HSV	hsv(224, 77%, 69%)
CMYK	cmyk(77.1%, 56%, 0%, 31.4%)
CIE-LAB	lab(35.70, 22.76, -56.06)
CIE-LCH	lch(35.70, 60.51, 292.09°)
OKLab	oklab(45.39% -0.0144 -0.1617)
OKLCH	oklch(45.39% 0.162 264.9)
XYZ	xyz(11.2641, 8.8527, 41.6642)
Luminance	0.0885 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284DAF #AF8A28

analogous

#2890AF #284DAF #4728AF

triadic

#284DAF #AF284D #4DAF28

tetradic

#284DAF #AF2890 #AF8A28 #28AF47

square

#284DAF #AF2890 #AF8A28 #28AF47

split-complementary

#284DAF #AF4728 #90AF28

monochromatic

#11214B #1D377D #284DAF #4169D4 #7390DF

Accessibility & contrast

On white

7.58

#284DAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#284DAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284DAF

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284DAF	#FFFFFF	#000000	##FFFFFF
##284DAF	1.00	7.58	2.77	7.58
#FFFFFF	7.58	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB2

Deuteranopia (green-blind)

#004EAD

Tritanopia (blue-blind)

#006576

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #284daf;
/* rgb */ color: rgb(40, 77, 175);
/* oklch */ color: oklch(45.4% 0.162 264.9);

Tailwind

colors: {
  custom: {
    50: '#777ec8',
    500: '#284daf',
    950: '#000000',
  },
}

SCSS

$custom: #284daf;
$custom-light: #777ec8;
$custom-dark: #000000;

JSON

{
  "hex": "#284daf",
  "rgb": {
    "r": 40,
    "g": 77,
    "b": 175
  },
  "hsl": {
    "h": 223.556,
    "s": 62.791,
    "l": 42.157
  },
  "oklch": {
    "l": 0.45393,
    "c": 0.16235,
    "h": 264.9
  },
  "luminance": 0.08854
}

Semantic roles & 50–950 ramp

primary

#284DAF

secondary

#C6AE6D

accent

#B942E6

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #284DAF

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

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