#28376B#28376B

#28376B is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.3% C 0.092 H 269.2°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#28376B
RGB	rgb(40, 55, 107)
HSL	hsl(227, 46%, 29%)
HSV	hsv(227, 63%, 42%)
CMYK	cmyk(62.6%, 48.6%, 0%, 58%)
CIE-LAB	lab(24.46, 11.60, -32.29)
CIE-LCH	lch(24.46, 34.31, 289.76°)
OKLab	oklab(35.3% -0.0013 -0.0921)
OKLCH	oklch(35.3% 0.092 269.2)
XYZ	xyz(4.8942, 4.2446, 14.4685)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28376B #6B5C28

analogous

#28596B #28376B #3B286B

triadic

#28376B #6B2837 #376B28

tetradic

#28376B #6B2859 #6B5C28 #286B3B

square

#28376B #6B2859 #6B5C28 #286B3B

split-complementary

#28376B #6B3B28 #596B28

monochromatic

#080B16 #17203E #28376B #394E98 #5068BE

Accessibility & contrast

On white

11.36

#28376B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#28376B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28376B

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28376B	#FFFFFF	#000000	##FFFFFF
##28376B	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E3D6D

Deuteranopia (green-blind)

#14376A

Tritanopia (blue-blind)

#00434B

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #28376b;
/* rgb */ color: rgb(40, 55, 107);
/* oklch */ color: oklch(35.3% 0.092 269.2);

Tailwind

colors: {
  custom: {
    50: '#696d96',
    500: '#28376b',
    950: '#000000',
  },
}

SCSS

$custom: #28376b;
$custom-light: #696d96;
$custom-dark: #000000;

JSON

{
  "hex": "#28376b",
  "rgb": {
    "r": 40,
    "g": 55,
    "b": 107
  },
  "hsl": {
    "h": 226.567,
    "s": 45.578,
    "l": 28.824
  },
  "oklch": {
    "l": 0.35304,
    "c": 0.09215,
    "h": 269.2
  },
  "luminance": 0.04245
}

Semantic roles & 50–950 ramp

primary

#28376B

secondary

#9D8C51

accent

#B853D5

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07070D

muted

#7A7A7E

Preview Lab

Preview with #28376B

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

Preview Lab → · Contrast checker → · Palette generator →