#283D92#283D92

#283D92 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.7% C 0.142 H 268.6°. Best body text is #FFFFFF at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#283D92
RGB	rgb(40, 61, 146)
HSL	hsl(228, 57%, 36%)
HSV	hsv(228, 73%, 57%)
CMYK	cmyk(72.6%, 58.2%, 0%, 42.7%)
CIE-LAB	lab(29.06, 22.39, -49.35)
CIE-LCH	lch(29.06, 54.19, 294.40°)
OKLab	oklab(39.7% -0.0036 -0.1422)
OKLCH	oklch(39.7% 0.142 268.6)
XYZ	xyz(7.7303, 5.8631, 27.9129)
Luminance	0.0586 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283D92 #927D28

analogous

#287292 #283D92 #482892

triadic

#283D92 #92283D #3D9228

tetradic

#283D92 #922872 #927D28 #289248

square

#283D92 #922872 #927D28 #289248

split-complementary

#283D92 #924828 #729228

monochromatic

#0E1532 #1B2962 #283D92 #3551C2 #6178D4

Accessibility & contrast

On white

9.66

#283D92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#283D92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283D92

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283D92	#FFFFFF	#000000	##FFFFFF
##283D92	1.00	9.66	2.17	9.66
#FFFFFF	9.66	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A95

Deuteranopia (green-blind)

#004090

Tritanopia (blue-blind)

#005261

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #283d92;
/* rgb */ color: rgb(40, 61, 146);
/* oklch */ color: oklch(39.7% 0.142 268.6);

Tailwind

colors: {
  custom: {
    50: '#7172b3',
    500: '#283d92',
    950: '#000000',
  },
}

SCSS

$custom: #283d92;
$custom-light: #7172b3;
$custom-dark: #000000;

JSON

{
  "hex": "#283d92",
  "rgb": {
    "r": 40,
    "g": 61,
    "b": 146
  },
  "hsl": {
    "h": 228.113,
    "s": 56.989,
    "l": 36.471
  },
  "oklch": {
    "l": 0.39696,
    "c": 0.14229,
    "h": 268.6
  },
  "luminance": 0.05864
}

Semantic roles & 50–950 ramp

primary

#283D92

secondary

#B9A75D

accent

#C248E0

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #283D92

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

Preview Lab → · Contrast checker → · Palette generator →