#283797#283797

#283797 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.0% C 0.157 H 270.4°. Best body text is #FFFFFF at 10.08:1 contrast (WCAG AA passes).

Color values

HEX	#283797
RGB	rgb(40, 55, 151)
HSL	hsl(232, 58%, 37%)
HSV	hsv(232, 74%, 59%)
CMYK	cmyk(73.5%, 63.6%, 0%, 40.8%)
CIE-LAB	lab(27.89, 28.33, -54.33)
CIE-LCH	lch(27.89, 61.27, 297.54°)
OKLab	oklab(38.96% 0.0011 -0.1569)
OKLCH	oklch(38.96% 0.157 270.4)
XYZ	xyz(7.8253, 5.4171, 29.9053)
Luminance	0.0542 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283797 #978828

analogous

#286E97 #283797 #512897

triadic

#283797 #972837 #379728

tetradic

#283797 #97286E #978828 #289751

square

#283797 #97286E #978828 #289751

split-complementary

#283797 #975128 #6E9728

monochromatic

#0E1436 #1B2567 #283797 #3549C7 #6473D6

Accessibility & contrast

On white

10.08

#283797 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#283797 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283797

10.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283797	#FFFFFF	#000000	##FFFFFF
##283797	1.00	10.08	2.08	10.08
#FFFFFF	10.08	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479A

Deuteranopia (green-blind)

#003D95

Tritanopia (blue-blind)

#005061

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #283797;
/* rgb */ color: rgb(40, 55, 151);
/* oklch */ color: oklch(39.0% 0.157 270.4);

Tailwind

colors: {
  custom: {
    50: '#726db6',
    500: '#283797',
    950: '#000000',
  },
}

SCSS

$custom: #283797;
$custom-light: #726db6;
$custom-dark: #000000;

JSON

{
  "hex": "#283797",
  "rgb": {
    "r": 40,
    "g": 55,
    "b": 151
  },
  "hsl": {
    "h": 231.892,
    "s": 58.115,
    "l": 37.451
  },
  "oklch": {
    "l": 0.38955,
    "c": 0.15692,
    "h": 270.4
  },
  "luminance": 0.05418
}

Semantic roles & 50–950 ramp

primary

#283797

secondary

#BCAF5F

accent

#CC46E1

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #283797

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

Preview Lab → · Contrast checker → · Palette generator →