#39377F#39377F

#39377F is a dark, moderate blue. Relative luminance 0.051; OKLCH L 38.1% C 0.118 H 280.4°. Best body text is #FFFFFF at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#39377F
RGB	rgb(57, 55, 127)
HSL	hsl(242, 40%, 36%)
HSV	hsv(242, 57%, 50%)
CMYK	cmyk(55.1%, 56.7%, 0%, 50.2%)
CIE-LAB	lab(27.11, 22.58, -40.67)
CIE-LCH	lch(27.11, 46.52, 299.03°)
OKLab	oklab(38.07% 0.0214 -0.1163)
OKLCH	oklch(38.07% 0.118 280.4)
XYZ	xyz(6.8831, 5.1341, 20.7028)
Luminance	0.0513 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39377F #7D7F37

analogous

#37597F #39377F #5D377F

triadic

#39377F #7F3937 #377F39

tetradic

#39377F #7F3759 #7D7F37 #377F5D

square

#39377F #7F3759 #7D7F37 #377F5D

split-complementary

#39377F #7F5D37 #597F37

monochromatic

#13122A #262554 #39377F #4C49AA #7270C1

Accessibility & contrast

On white

10.36

#39377F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#39377F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #39377F

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39377F	#FFFFFF	#000000	##FFFFFF
##39377F	1.00	10.36	2.03	10.36
#FFFFFF	10.36	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A4381

Deuteranopia (green-blind)

#003D7D

Tritanopia (blue-blind)

#1A4755

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #39377f;
/* rgb */ color: rgb(57, 55, 127);
/* oklch */ color: oklch(38.1% 0.118 280.4);

Tailwind

colors: {
  custom: {
    50: '#766ea5',
    500: '#39377f',
    950: '#000000',
  },
}

SCSS

$custom: #39377f;
$custom-light: #766ea5;
$custom-dark: #000000;

JSON

{
  "hex": "#39377f",
  "rgb": {
    "r": 57,
    "g": 55,
    "b": 127
  },
  "hsl": {
    "h": 241.667,
    "s": 39.56,
    "l": 35.686
  },
  "oklch": {
    "l": 0.38073,
    "c": 0.11827,
    "h": 280.4
  },
  "luminance": 0.05135
}

Semantic roles & 50–950 ramp

primary

#39377F

secondary

#A8AA68

accent

#CF58CC

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#09070F

muted

#7B7A7F

Preview Lab

Preview with #39377F

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

Preview Lab → · Contrast checker → · Palette generator →