#28336D#28336D

#28336D is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.5% C 0.101 H 272.0°. Best body text is #FFFFFF at 11.77:1 contrast (WCAG AA passes).

Color values

HEX	#28336D
RGB	rgb(40, 51, 109)
HSL	hsl(230, 46%, 29%)
HSV	hsv(230, 63%, 43%)
CMYK	cmyk(63.3%, 53.2%, 0%, 57.3%)
CIE-LAB	lab(23.41, 15.16, -35.27)
CIE-LCH	lch(23.41, 38.39, 293.27°)
OKLab	oklab(34.55% 0.0036 -0.1009)
OKLCH	oklch(34.55% 0.101 272)
XYZ	xyz(4.8183, 3.9225, 14.9682)
Luminance	0.0392 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28336D #6D6228

analogous

#28566D #28336D #40286D

triadic

#28336D #6D2833 #336D28

tetradic

#28336D #6D2856 #6D6228 #286D40

square

#28336D #6D2856 #6D6228 #286D40

split-complementary

#28336D #6D4028 #566D28

monochromatic

#080A16 #181E40 #28336D #38489A #5062BF

Accessibility & contrast

On white

11.77

#28336D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#28336D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28336D

11.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28336D	#FFFFFF	#000000	##FFFFFF
##28336D	1.00	11.77	1.78	11.77
#FFFFFF	11.77	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#133B6F

Deuteranopia (green-blind)

#05356C

Tritanopia (blue-blind)

#00404B

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #28336d;
/* rgb */ color: rgb(40, 51, 109);
/* oklch */ color: oklch(34.5% 0.101 272.0);

Tailwind

colors: {
  custom: {
    50: '#696a97',
    500: '#28336d',
    950: '#000000',
  },
}

SCSS

$custom: #28336d;
$custom-light: #696a97;
$custom-dark: #000000;

JSON

{
  "hex": "#28336d",
  "rgb": {
    "r": 40,
    "g": 51,
    "b": 109
  },
  "hsl": {
    "h": 230.435,
    "s": 46.309,
    "l": 29.216
  },
  "oklch": {
    "l": 0.3455,
    "c": 0.101,
    "h": 272
  },
  "luminance": 0.03923
}

Semantic roles & 50–950 ramp

primary

#28336D

secondary

#9F9351

accent

#C152D6

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060D

muted

#7A7A7E

Preview Lab

Preview with #28336D

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

Preview Lab → · Contrast checker → · Palette generator →