#33407B#33407B

#33407B is a dark, moderate blue. Relative luminance 0.058; OKLCH L 39.2% C 0.101 H 271.7°. Best body text is #FFFFFF at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#33407B
RGB	rgb(51, 64, 123)
HSL	hsl(229, 41%, 34%)
HSV	hsv(229, 59%, 48%)
CMYK	cmyk(58.5%, 48%, 0%, 51.8%)
CIE-LAB	lab(28.90, 13.74, -35.31)
CIE-LCH	lch(28.90, 37.89, 291.27°)
OKLab	oklab(39.22% 0.003 -0.1006)
OKLCH	oklch(39.22% 0.101 271.7)
XYZ	xyz(6.7726, 5.8002, 19.4977)
Luminance	0.0580 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33407B #7B6E33

analogous

#33647B #33407B #4A337B

triadic

#33407B #7B3340 #407B33

tetradic

#33407B #7B3364 #7B6E33 #337B4A

square

#33407B #7B3364 #7B6E33 #337B4A

split-complementary

#33407B #7B4A33 #647B33

monochromatic

#0F1324 #212950 #33407B #4557A6 #6878C0

Accessibility & contrast

On white

9.72

#33407B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#33407B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33407B

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33407B	#FFFFFF	#000000	##FFFFFF
##33407B	1.00	9.72	2.16	9.72
#FFFFFF	9.72	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25477D

Deuteranopia (green-blind)

#1B417A

Tritanopia (blue-blind)

#074D57

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #33407b;
/* rgb */ color: rgb(51, 64, 123);
/* oklch */ color: oklch(39.2% 0.101 271.7);

Tailwind

colors: {
  custom: {
    50: '#7174a1',
    500: '#33407b',
    950: '#000000',
  },
}

SCSS

$custom: #33407b;
$custom-light: #7174a1;
$custom-dark: #000000;

JSON

{
  "hex": "#33407b",
  "rgb": {
    "r": 51,
    "g": 64,
    "b": 123
  },
  "hsl": {
    "h": 229.167,
    "s": 41.379,
    "l": 34.118
  },
  "oklch": {
    "l": 0.39219,
    "c": 0.10068,
    "h": 271.7
  },
  "luminance": 0.05801
}

Semantic roles & 50–950 ramp

primary

#33407B

secondary

#A89B62

accent

#BB57D1

background

#F7F7FA

surface

#EDEDF3

border

#C8C8CD

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #33407B

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

Preview Lab → · Contrast checker → · Palette generator →