#33387B#33387B

#33387B is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.5% C 0.112 H 276.3°. Best body text is #FFFFFF at 10.54:1 contrast (WCAG AA passes).

Color values

HEX	#33387B
RGB	rgb(51, 56, 123)
HSL	hsl(236, 41%, 34%)
HSV	hsv(236, 59%, 48%)
CMYK	cmyk(58.5%, 54.5%, 0%, 51.8%)
CIE-LAB	lab(26.63, 19.19, -38.97)
CIE-LCH	lch(26.63, 43.44, 296.22°)
OKLab	oklab(37.5% 0.0124 -0.1115)
OKLCH	oklch(37.5% 0.112 276.3)
XYZ	xyz(6.3534, 4.9618, 19.3580)
Luminance	0.0496 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33387B #7B7633

analogous

#335C7B #33387B #52337B

triadic

#33387B #7B3338 #387B33

tetradic

#33387B #7B335C #7B7633 #337B52

square

#33387B #7B335C #7B7633 #337B52

split-complementary

#33387B #7B5233 #5C7B33

monochromatic

#0F1124 #212450 #33387B #454CA6 #686EC0

Accessibility & contrast

On white

10.54

#33387B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#33387B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33387B

10.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33387B	#FFFFFF	#000000	##FFFFFF
##33387B	1.00	10.54	1.99	10.54
#FFFFFF	10.54	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12427D

Deuteranopia (green-blind)

#033C7A

Tritanopia (blue-blind)

#0A4754

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #33387b;
/* rgb */ color: rgb(51, 56, 123);
/* oklch */ color: oklch(37.5% 0.112 276.3);

Tailwind

colors: {
  custom: {
    50: '#716ea2',
    500: '#33387b',
    950: '#000000',
  },
}

SCSS

$custom: #33387b;
$custom-light: #716ea2;
$custom-dark: #000000;

JSON

{
  "hex": "#33387b",
  "rgb": {
    "r": 51,
    "g": 56,
    "b": 123
  },
  "hsl": {
    "h": 235.833,
    "s": 41.379,
    "l": 34.118
  },
  "oklch": {
    "l": 0.37496,
    "c": 0.11216,
    "h": 276.3
  },
  "luminance": 0.04962
}

Semantic roles & 50–950 ramp

primary

#33387B

secondary

#A8A362

accent

#C957D1

background

#F7F6FA

surface

#EDEBF3

border

#C8C6CD

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #33387B

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

Preview Lab → · Contrast checker → · Palette generator →