#33397B#33397B

#33397B is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.7% C 0.111 H 275.8°. Best body text is #FFFFFF at 10.44:1 contrast (WCAG AA passes).

Color values

HEX	#33397B
RGB	rgb(51, 57, 123)
HSL	hsl(235, 41%, 34%)
HSV	hsv(235, 59%, 48%)
CMYK	cmyk(58.5%, 53.7%, 0%, 51.8%)
CIE-LAB	lab(26.90, 18.51, -38.52)
CIE-LCH	lch(26.90, 42.73, 295.67°)
OKLab	oklab(37.71% 0.0112 -0.1101)
OKLCH	oklch(37.71% 0.111 275.8)
XYZ	xyz(6.4024, 5.0597, 19.3743)
Luminance	0.0506 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33397B #7B7533

analogous

#335D7B #33397B #51337B

triadic

#33397B #7B3339 #397B33

tetradic

#33397B #7B335D #7B7533 #337B51

square

#33397B #7B335D #7B7533 #337B51

split-complementary

#33397B #7B5133 #5D7B33

monochromatic

#0F1124 #212550 #33397B #454DA6 #686FC0

Accessibility & contrast

On white

10.44

#33397B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#33397B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33397B

10.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33397B	#FFFFFF	#000000	##FFFFFF
##33397B	1.00	10.44	2.01	10.44
#FFFFFF	10.44	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#15437D

Deuteranopia (green-blind)

#073D7A

Tritanopia (blue-blind)

#0A4854

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #33397b;
/* rgb */ color: rgb(51, 57, 123);
/* oklch */ color: oklch(37.7% 0.111 275.8);

Tailwind

colors: {
  custom: {
    50: '#716fa2',
    500: '#33397b',
    950: '#000000',
  },
}

SCSS

$custom: #33397b;
$custom-light: #716fa2;
$custom-dark: #000000;

JSON

{
  "hex": "#33397b",
  "rgb": {
    "r": 51,
    "g": 57,
    "b": 123
  },
  "hsl": {
    "h": 235,
    "s": 41.379,
    "l": 34.118
  },
  "oklch": {
    "l": 0.37705,
    "c": 0.11071,
    "h": 275.8
  },
  "luminance": 0.0506
}

Semantic roles & 50–950 ramp

primary

#33397B

secondary

#A8A262

accent

#C757D1

background

#F7F6FA

surface

#EDECF3

border

#C8C7CD

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #33397B

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

Preview Lab → · Contrast checker → · Palette generator →