#283263#283263

#283263 is a dark, moderate blue. Relative luminance 0.036; OKLCH L 33.6% C 0.087 H 272.3°. Best body text is #FFFFFF at 12.16:1 contrast (WCAG AA passes).

Color values

HEX	#283263
RGB	rgb(40, 50, 99)
HSL	hsl(230, 42%, 27%)
HSV	hsv(230, 60%, 39%)
CMYK	cmyk(59.6%, 49.5%, 0%, 61.2%)
CIE-LAB	lab(22.42, 12.11, -30.39)
CIE-LCH	lch(22.42, 32.71, 291.73°)
OKLab	oklab(33.57% 0.0034 -0.0866)
OKLCH	oklch(33.57% 0.087 272.3)
XYZ	xyz(4.2671, 3.6329, 12.2783)
Luminance	0.0363 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283263 #635928

analogous

#284F63 #283263 #3C2863

triadic

#283263 #632832 #326328

tetradic

#283263 #63284F #635928 #28633C

square

#283263 #63284F #635928 #28633C

split-complementary

#283263 #633C28 #4F6328

monochromatic

#090B16 #161C37 #283263 #3A488F #4E60B7

Accessibility & contrast

On white

12.16

#283263 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#283263 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283263

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283263	#FFFFFF	#000000	##FFFFFF
##283263	1.00	12.16	1.73	12.16
#FFFFFF	12.16	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B3865

Deuteranopia (green-blind)

#143362

Tritanopia (blue-blind)

#063D45

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #283263;
/* rgb */ color: rgb(40, 50, 99);
/* oklch */ color: oklch(33.6% 0.087 272.3);

Tailwind

colors: {
  custom: {
    50: '#676990',
    500: '#283263',
    950: '#000000',
  },
}

SCSS

$custom: #283263;
$custom-light: #676990;
$custom-dark: #000000;

JSON

{
  "hex": "#283263",
  "rgb": {
    "r": 40,
    "g": 50,
    "b": 99
  },
  "hsl": {
    "h": 229.831,
    "s": 42.446,
    "l": 27.255
  },
  "oklch": {
    "l": 0.33571,
    "c": 0.08667,
    "h": 272.3
  },
  "luminance": 0.03633
}

Semantic roles & 50–950 ramp

primary

#283263

secondary

#968A51

accent

#BD56D2

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#06060C

muted

#7A7A7D

Preview Lab

Preview with #283263

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

Preview Lab → · Contrast checker → · Palette generator →