#28367B#28367B

#28367B is a dark, moderate blue. Relative luminance 0.045; OKLCH L 36.3% C 0.118 H 270.8°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#28367B
RGB	rgb(40, 54, 123)
HSL	hsl(230, 51%, 32%)
HSV	hsv(230, 67%, 48%)
CMYK	cmyk(67.5%, 56.1%, 0%, 51.8%)
CIE-LAB	lab(25.32, 18.39, -41.12)
CIE-LCH	lch(25.32, 45.04, 294.10°)
OKLab	oklab(36.32% 0.0016 -0.1181)
OKLCH	oklch(36.32% 0.118 270.8)
XYZ	xyz(5.7682, 4.5190, 19.3033)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28367B #7B6D28

analogous

#285F7B #28367B #44287B

triadic

#28367B #7B2836 #367B28

tetradic

#28367B #7B285F #7B6D28 #287B44

square

#28367B #7B285F #7B6D28 #287B44

split-complementary

#28367B #7B4428 #5F7B28

monochromatic

#0A0D1F #19224D #28367B #374AA9 #5669C8

Accessibility & contrast

On white

11.03

#28367B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#28367B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28367B

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28367B	#FFFFFF	#000000	##FFFFFF
##28367B	1.00	11.03	1.90	11.03
#FFFFFF	11.03	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#05407D

Deuteranopia (green-blind)

#00387A

Tritanopia (blue-blind)

#004653

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #28367b;
/* rgb */ color: rgb(40, 54, 123);
/* oklch */ color: oklch(36.3% 0.118 270.8);

Tailwind

colors: {
  custom: {
    50: '#6c6ca2',
    500: '#28367b',
    950: '#000000',
  },
}

SCSS

$custom: #28367b;
$custom-light: #6c6ca2;
$custom-dark: #000000;

JSON

{
  "hex": "#28367b",
  "rgb": {
    "r": 40,
    "g": 54,
    "b": 123
  },
  "hsl": {
    "h": 229.88,
    "s": 50.92,
    "l": 31.961
  },
  "oklch": {
    "l": 0.36317,
    "c": 0.11812,
    "h": 270.8
  },
  "luminance": 0.0452
}

Semantic roles & 50–950 ramp

primary

#28367B

secondary

#AD9D52

accent

#C34DDA

background

#F6F6FA

surface

#ECEBF3

border

#C7C6CD

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #28367B

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

Preview Lab → · Contrast checker → · Palette generator →