#39377B#39377B

#39377B is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.8% C 0.112 H 280.9°. Best body text is #FFFFFF at 10.47:1 contrast (WCAG AA passes).

Color values

HEX	#39377B
RGB	rgb(57, 55, 123)
HSL	hsl(242, 38%, 35%)
HSV	hsv(242, 55%, 48%)
CMYK	cmyk(53.7%, 55.3%, 0%, 51.8%)
CIE-LAB	lab(26.83, 21.21, -38.62)
CIE-LCH	lch(26.83, 44.06, 298.77°)
OKLab	oklab(37.77% 0.0212 -0.1103)
OKLCH	oklch(37.77% 0.112 280.9)
XYZ	xyz(6.6276, 5.0319, 19.3571)
Luminance	0.0503 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39377B #797B37

analogous

#37577B #39377B #5B377B

triadic

#39377B #7B3937 #377B39

tetradic

#39377B #7B3757 #797B37 #377B5B

square

#39377B #7B3757 #797B37 #377B5B

split-complementary

#39377B #7B5B37 #577B37

monochromatic

#121126 #252451 #39377B #4D4AA5 #716EBE

Accessibility & contrast

On white

10.47

#39377B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#39377B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #39377B

10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39377B	#FFFFFF	#000000	##FFFFFF
##39377B	1.00	10.47	2.01	10.47
#FFFFFF	10.47	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12427D

Deuteranopia (green-blind)

#093D7A

Tritanopia (blue-blind)

#1E4653

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #39377b;
/* rgb */ color: rgb(57, 55, 123);
/* oklch */ color: oklch(37.8% 0.112 280.9);

Tailwind

colors: {
  custom: {
    50: '#756da2',
    500: '#39377b',
    950: '#000000',
  },
}

SCSS

$custom: #39377b;
$custom-light: #756da2;
$custom-dark: #000000;

JSON

{
  "hex": "#39377b",
  "rgb": {
    "r": 57,
    "g": 55,
    "b": 123
  },
  "hsl": {
    "h": 241.765,
    "s": 38.202,
    "l": 34.902
  },
  "oklch": {
    "l": 0.37767,
    "c": 0.11231,
    "h": 280.9
  },
  "luminance": 0.05032
}

Semantic roles & 50–950 ramp

primary

#39377B

secondary

#A5A767

accent

#CE5ACB

background

#F7F6FA

surface

#EDEBF3

border

#C8C6CD

text

#09070F

muted

#7B7A7F

Preview Lab

Preview with #39377B

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

Preview Lab → · Contrast checker → · Palette generator →