#28336E#28336E

#28336E is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.6% C 0.103 H 272.1°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#28336E
RGB	rgb(40, 51, 110)
HSL	hsl(231, 47%, 29%)
HSV	hsv(231, 64%, 43%)
CMYK	cmyk(63.6%, 53.6%, 0%, 56.9%)
CIE-LAB	lab(23.49, 15.54, -35.79)
CIE-LCH	lch(23.49, 39.02, 293.47°)
OKLab	oklab(34.63% 0.0037 -0.1025)
OKLCH	oklch(34.63% 0.103 272.1)
XYZ	xyz(4.8724, 3.9442, 15.2534)
Luminance	0.0394 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28336E #6E6328

analogous

#28566E #28336E #40286E

triadic

#28336E #6E2833 #336E28

tetradic

#28336E #6E2856 #6E6328 #286E40

square

#28336E #6E2856 #6E6328 #286E40

split-complementary

#28336E #6E4028 #566E28

monochromatic

#080A16 #181E41 #28336E #38489B #5162C0

Accessibility & contrast

On white

11.74

#28336E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#28336E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28336E

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28336E	#FFFFFF	#000000	##FFFFFF
##28336E	1.00	11.74	1.79	11.74
#FFFFFF	11.74	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#123B70

Deuteranopia (green-blind)

#02356D

Tritanopia (blue-blind)

#00414B

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #28336e;
/* rgb */ color: rgb(40, 51, 110);
/* oklch */ color: oklch(34.6% 0.103 272.1);

Tailwind

colors: {
  custom: {
    50: '#696a98',
    500: '#28336e',
    950: '#000000',
  },
}

SCSS

$custom: #28336e;
$custom-light: #696a98;
$custom-dark: #000000;

JSON

{
  "hex": "#28336e",
  "rgb": {
    "r": 40,
    "g": 51,
    "b": 110
  },
  "hsl": {
    "h": 230.571,
    "s": 46.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.34628,
    "c": 0.10256,
    "h": 272.1
  },
  "luminance": 0.03945
}

Semantic roles & 50–950 ramp

primary

#28336E

secondary

#A09451

accent

#C151D6

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #28336E

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

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