#283174#283174

#283174 is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.7% C 0.115 H 273.1°. Best body text is #FFFFFF at 11.79:1 contrast (WCAG AA passes).

Color values

HEX	#283174
RGB	rgb(40, 49, 116)
HSL	hsl(233, 49%, 31%)
HSV	hsv(233, 66%, 45%)
CMYK	cmyk(65.5%, 57.8%, 0%, 54.5%)
CIE-LAB	lab(23.37, 19.21, -39.83)
CIE-LCH	lch(23.37, 44.22, 295.75°)
OKLab	oklab(34.68% 0.0063 -0.1144)
OKLCH	oklch(34.68% 0.115 273.1)
XYZ	xyz(5.1247, 3.9083, 17.0039)
Luminance	0.0391 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283174 #746B28

analogous

#285774 #283174 #452874

triadic

#283174 #742831 #317428

tetradic

#283174 #742857 #746B28 #287445

square

#283174 #742857 #746B28 #287445

split-complementary

#283174 #744528 #577428

monochromatic

#090B19 #181E46 #283174 #3844A2 #5360C4

Accessibility & contrast

On white

11.79

#283174 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#283174 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283174

11.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283174	#FFFFFF	#000000	##FFFFFF
##283174	1.00	11.79	1.78	11.79
#FFFFFF	11.79	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B76

Deuteranopia (green-blind)

#003473

Tritanopia (blue-blind)

#00414D

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #283174;
/* rgb */ color: rgb(40, 49, 116);
/* oklch */ color: oklch(34.7% 0.115 273.1);

Tailwind

colors: {
  custom: {
    50: '#6b689d',
    500: '#283174',
    950: '#000000',
  },
}

SCSS

$custom: #283174;
$custom-light: #6b689d;
$custom-dark: #000000;

JSON

{
  "hex": "#283174",
  "rgb": {
    "r": 40,
    "g": 49,
    "b": 116
  },
  "hsl": {
    "h": 232.895,
    "s": 48.718,
    "l": 30.588
  },
  "oklch": {
    "l": 0.34682,
    "c": 0.11456,
    "h": 273.1
  },
  "luminance": 0.03909
}

Semantic roles & 50–950 ramp

primary

#283174

secondary

#A69C52

accent

#C850D8

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #283174

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

Preview Lab → · Contrast checker → · Palette generator →