#28367F#28367F

#28367F is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.6% C 0.124 H 270.8°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#28367F
RGB	rgb(40, 54, 127)
HSL	hsl(230, 52%, 33%)
HSV	hsv(230, 69%, 50%)
CMYK	cmyk(68.5%, 57.5%, 0%, 50.2%)
CIE-LAB	lab(25.63, 19.92, -43.14)
CIE-LCH	lch(25.63, 47.51, 294.79°)
OKLab	oklab(36.65% 0.0018 -0.124)
OKLCH	oklch(36.65% 0.124 270.8)
XYZ	xyz(6.0237, 4.6212, 20.6491)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28367F #7F7128

analogous

#28617F #28367F #45287F

triadic

#28367F #7F2836 #367F28

tetradic

#28367F #7F2861 #7F7128 #287F45

square

#28367F #7F2861 #7F7128 #287F45

split-complementary

#28367F #7F4528 #617F28

monochromatic

#0B0E22 #192250 #28367F #374AAE #576ACA

Accessibility & contrast

On white

10.91

#28367F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#28367F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28367F

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28367F	#FFFFFF	#000000	##FFFFFF
##28367F	1.00	10.91	1.92	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004182

Deuteranopia (green-blind)

#00397E

Tritanopia (blue-blind)

#004855

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #28367f;
/* rgb */ color: rgb(40, 54, 127);
/* oklch */ color: oklch(36.6% 0.124 270.8);

Tailwind

colors: {
  custom: {
    50: '#6d6ca5',
    500: '#28367f',
    950: '#000000',
  },
}

SCSS

$custom: #28367f;
$custom-light: #6d6ca5;
$custom-dark: #000000;

JSON

{
  "hex": "#28367f",
  "rgb": {
    "r": 40,
    "g": 54,
    "b": 127
  },
  "hsl": {
    "h": 230.345,
    "s": 52.096,
    "l": 32.745
  },
  "oklch": {
    "l": 0.36648,
    "c": 0.12406,
    "h": 270.8
  },
  "luminance": 0.04622
}

Semantic roles & 50–950 ramp

primary

#28367F

secondary

#AFA054

accent

#C44CDC

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#08070F

muted

#7A7A7F

Preview Lab

Preview with #28367F

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

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