#28336F#28336F

#28336F is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.7% C 0.104 H 272.1°. Best body text is #FFFFFF at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#28336F
RGB	rgb(40, 51, 111)
HSL	hsl(231, 47%, 30%)
HSV	hsv(231, 64%, 44%)
CMYK	cmyk(64%, 54.1%, 0%, 56.5%)
CIE-LAB	lab(23.56, 15.92, -36.32)
CIE-LCH	lch(23.56, 39.65, 293.67°)
OKLab	oklab(34.71% 0.0038 -0.104)
OKLCH	oklch(34.71% 0.104 272.1)
XYZ	xyz(4.9272, 3.9661, 15.5417)
Luminance	0.0397 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28336F #6F6428

analogous

#28576F #28336F #41286F

triadic

#28336F #6F2833 #336F28

tetradic

#28336F #6F2857 #6F6428 #286F41

square

#28336F #6F2857 #6F6428 #286F41

split-complementary

#28336F #6F4128 #576F28

monochromatic

#080A16 #181E42 #28336F #38489C #5162C0

Accessibility & contrast

On white

11.71

#28336F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#28336F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28336F

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28336F	#FFFFFF	#000000	##FFFFFF
##28336F	1.00	11.71	1.79	11.71
#FFFFFF	11.71	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#113B71

Deuteranopia (green-blind)

#00356E

Tritanopia (blue-blind)

#00414B

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #28336f;
/* rgb */ color: rgb(40, 51, 111);
/* oklch */ color: oklch(34.7% 0.104 272.1);

Tailwind

colors: {
  custom: {
    50: '#6a6a99',
    500: '#28336f',
    950: '#000000',
  },
}

SCSS

$custom: #28336f;
$custom-light: #6a6a99;
$custom-dark: #000000;

JSON

{
  "hex": "#28336f",
  "rgb": {
    "r": 40,
    "g": 51,
    "b": 111
  },
  "hsl": {
    "h": 230.704,
    "s": 47.02,
    "l": 29.608
  },
  "oklch": {
    "l": 0.34706,
    "c": 0.1041,
    "h": 272.1
  },
  "luminance": 0.03966
}

Semantic roles & 50–950 ramp

primary

#28336F

secondary

#A19551

accent

#C251D7

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #28336F

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

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