#283A92#283A92

#283A92 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.1% C 0.146 H 269.5°. Best body text is #FFFFFF at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#283A92
RGB	rgb(40, 58, 146)
HSL	hsl(230, 57%, 36%)
HSV	hsv(230, 73%, 57%)
CMYK	cmyk(72.6%, 60.3%, 0%, 42.7%)
CIE-LAB	lab(28.25, 24.43, -50.68)
CIE-LCH	lch(28.25, 56.25, 295.73°)
OKLab	oklab(39.09% -0.0011 -0.1462)
OKLCH	oklch(39.09% 0.146 269.5)
XYZ	xyz(7.5747, 5.5518, 27.8610)
Luminance	0.0555 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283A92 #928028

analogous

#286F92 #283A92 #4B2892

triadic

#283A92 #92283A #3A9228

tetradic

#283A92 #92286F #928028 #28924B

square

#283A92 #92286F #928028 #28924B

split-complementary

#283A92 #924B28 #6F9228

monochromatic

#0E1432 #1B2762 #283A92 #354DC2 #6174D4

Accessibility & contrast

On white

9.95

#283A92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#283A92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283A92

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283A92	#FFFFFF	#000000	##FFFFFF
##283A92	1.00	9.95	2.11	9.95
#FFFFFF	9.95	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004895

Deuteranopia (green-blind)

#003E90

Tritanopia (blue-blind)

#005060

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #283a92;
/* rgb */ color: rgb(40, 58, 146);
/* oklch */ color: oklch(39.1% 0.146 269.5);

Tailwind

colors: {
  custom: {
    50: '#716fb3',
    500: '#283a92',
    950: '#000000',
  },
}

SCSS

$custom: #283a92;
$custom-light: #716fb3;
$custom-dark: #000000;

JSON

{
  "hex": "#283a92",
  "rgb": {
    "r": 40,
    "g": 58,
    "b": 146
  },
  "hsl": {
    "h": 229.811,
    "s": 56.989,
    "l": 36.471
  },
  "oklch": {
    "l": 0.39089,
    "c": 0.14616,
    "h": 269.5
  },
  "luminance": 0.05553
}

Semantic roles & 50–950 ramp

primary

#283A92

secondary

#B9A95D

accent

#C648E0

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #283A92

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

Preview Lab → · Contrast checker → · Palette generator →