#28336C#28336C

#28336C is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.5% C 0.099 H 272.0°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#28336C
RGB	rgb(40, 51, 108)
HSL	hsl(230, 46%, 29%)
HSV	hsv(230, 63%, 42%)
CMYK	cmyk(63%, 52.8%, 0%, 57.6%)
CIE-LAB	lab(23.34, 14.79, -34.74)
CIE-LCH	lch(23.34, 37.75, 293.06°)
OKLab	oklab(34.47% 0.0035 -0.0994)
OKLCH	oklch(34.47% 0.099 272)
XYZ	xyz(4.7648, 3.9011, 14.6863)
Luminance	0.0390 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28336C #6C6128

analogous

#28556C #28336C #3F286C

triadic

#28336C #6C2833 #336C28

tetradic

#28336C #6C2855 #6C6128 #286C3F

square

#28336C #6C2855 #6C6128 #286C3F

split-complementary

#28336C #6C3F28 #556C28

monochromatic

#080B16 #171E3F #28336C #394899 #5062BE

Accessibility & contrast

On white

11.80

#28336C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#28336C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28336C

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28336C	#FFFFFF	#000000	##FFFFFF
##28336C	1.00	11.80	1.78	11.80
#FFFFFF	11.80	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#153B6E

Deuteranopia (green-blind)

#07356B

Tritanopia (blue-blind)

#00404A

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #28336c;
/* rgb */ color: rgb(40, 51, 108);
/* oklch */ color: oklch(34.5% 0.099 272.0);

Tailwind

colors: {
  custom: {
    50: '#696a96',
    500: '#28336c',
    950: '#000000',
  },
}

SCSS

$custom: #28336c;
$custom-light: #696a96;
$custom-dark: #000000;

JSON

{
  "hex": "#28336c",
  "rgb": {
    "r": 40,
    "g": 51,
    "b": 108
  },
  "hsl": {
    "h": 230.294,
    "s": 45.946,
    "l": 29.02
  },
  "oklch": {
    "l": 0.34473,
    "c": 0.09945,
    "h": 272
  },
  "luminance": 0.03901
}

Semantic roles & 50–950 ramp

primary

#28336C

secondary

#9E9251

accent

#C052D6

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060D

muted

#7A7A7E

Preview Lab

Preview with #28336C

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

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