#33397E#33397E

#33397E is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.9% C 0.115 H 275.7°. Best body text is #FFFFFF at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#33397E
RGB	rgb(51, 57, 126)
HSL	hsl(235, 42%, 35%)
HSV	hsv(235, 60%, 49%)
CMYK	cmyk(59.5%, 54.8%, 0%, 50.6%)
CIE-LAB	lab(27.12, 19.58, -40.06)
CIE-LCH	lch(27.12, 44.59, 296.05°)
OKLab	oklab(37.94% 0.0115 -0.1147)
OKLCH	oklch(37.94% 0.115 275.7)
XYZ	xyz(6.5930, 5.1359, 20.3785)
Luminance	0.0514 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33397E #7E7833

analogous

#335F7E #33397E #53337E

triadic

#33397E #7E3339 #397E33

tetradic

#33397E #7E335F #7E7833 #337E53

square

#33397E #7E335F #7E7833 #337E53

split-complementary

#33397E #7E5333 #5F7E33

monochromatic

#101227 #212552 #33397E #454DAA #6970C2

Accessibility & contrast

On white

10.36

#33397E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#33397E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33397E

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33397E	#FFFFFF	#000000	##FFFFFF
##33397E	1.00	10.36	2.03	10.36
#FFFFFF	10.36	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#104380

Deuteranopia (green-blind)

#003D7D

Tritanopia (blue-blind)

#044955

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #33397e;
/* rgb */ color: rgb(51, 57, 126);
/* oklch */ color: oklch(37.9% 0.115 275.7);

Tailwind

colors: {
  custom: {
    50: '#726fa4',
    500: '#33397e',
    950: '#000000',
  },
}

SCSS

$custom: #33397e;
$custom-light: #726fa4;
$custom-dark: #000000;

JSON

{
  "hex": "#33397e",
  "rgb": {
    "r": 51,
    "g": 57,
    "b": 126
  },
  "hsl": {
    "h": 235.2,
    "s": 42.373,
    "l": 34.706
  },
  "oklch": {
    "l": 0.37935,
    "c": 0.11525,
    "h": 275.7
  },
  "luminance": 0.05136
}

Semantic roles & 50–950 ramp

primary

#33397E

secondary

#AAA463

accent

#C856D2

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #33397E

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

Preview Lab → · Contrast checker → · Palette generator →