#33377D#33377D

#33377D is a dark, moderate blue. Relative luminance 0.049; OKLCH L 37.4% C 0.117 H 276.7°. Best body text is #FFFFFF at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#33377D
RGB	rgb(51, 55, 125)
HSL	hsl(237, 42%, 35%)
HSV	hsv(237, 59%, 49%)
CMYK	cmyk(59.2%, 56%, 0%, 51%)
CIE-LAB	lab(26.50, 20.58, -40.44)
CIE-LCH	lch(26.50, 45.37, 296.98°)
OKLab	oklab(37.45% 0.0137 -0.1158)
OKLCH	oklch(37.45% 0.117 276.7)
XYZ	xyz(6.4319, 4.9164, 20.0081)
Luminance	0.0492 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33377D #7D7933

analogous

#335C7D #33377D #54337D

triadic

#33377D #7D3337 #377D33

tetradic

#33377D #7D335C #7D7933 #337D54

square

#33377D #7D335C #7D7933 #337D54

split-complementary

#33377D #7D5433 #5C7D33

monochromatic

#101126 #212452 #33377D #454AA8 #696EC2

Accessibility & contrast

On white

10.59

#33377D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#33377D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33377D

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33377D	#FFFFFF	#000000	##FFFFFF
##33377D	1.00	10.59	1.98	10.59
#FFFFFF	10.59	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B427F

Deuteranopia (green-blind)

#003C7C

Tritanopia (blue-blind)

#064754

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #33377d;
/* rgb */ color: rgb(51, 55, 125);
/* oklch */ color: oklch(37.4% 0.117 276.7);

Tailwind

colors: {
  custom: {
    50: '#726da3',
    500: '#33377d',
    950: '#000000',
  },
}

SCSS

$custom: #33377d;
$custom-light: #726da3;
$custom-dark: #000000;

JSON

{
  "hex": "#33377d",
  "rgb": {
    "r": 51,
    "g": 55,
    "b": 125
  },
  "hsl": {
    "h": 236.757,
    "s": 42.045,
    "l": 34.51
  },
  "oklch": {
    "l": 0.37445,
    "c": 0.11661,
    "h": 276.7
  },
  "luminance": 0.04917
}

Semantic roles & 50–950 ramp

primary

#33377D

secondary

#AAA662

accent

#CB56D2

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #33377D

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

Preview Lab → · Contrast checker → · Palette generator →