#39479B#39479B

#39479B is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.5% C 0.137 H 272.3°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#39479B
RGB	rgb(57, 71, 155)
HSL	hsl(231, 46%, 42%)
HSV	hsv(231, 63%, 61%)
CMYK	cmyk(63.2%, 54.2%, 0%, 39.2%)
CIE-LAB	lab(33.44, 21.79, -47.70)
CIE-LCH	lch(33.44, 52.44, 294.55°)
OKLab	oklab(43.46% 0.0055 -0.1368)
OKLCH	oklch(43.46% 0.137 272.3)
XYZ	xyz(9.8550, 7.7421, 31.9790)
Luminance	0.0774 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39479B #9B8D39

analogous

#39789B #39479B #5C399B

triadic

#39479B #9B3947 #479B39

tetradic

#39479B #9B3978 #9B8D39 #399B5C

square

#39479B #9B3978 #9B8D39 #399B5C

split-complementary

#39479B #9B5C39 #789B39

monochromatic

#181E42 #29336E #39479B #5262BF #7F8AD0

Accessibility & contrast

On white

8.24

#39479B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#39479B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #39479B

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39479B	#FFFFFF	#000000	##FFFFFF
##39479B	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11539E

Deuteranopia (green-blind)

#004A99

Tritanopia (blue-blind)

#005B6A

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #39479b;
/* rgb */ color: rgb(57, 71, 155);
/* oklch */ color: oklch(43.5% 0.137 272.3);

Tailwind

colors: {
  custom: {
    50: '#7a7ab9',
    500: '#39479b',
    950: '#000000',
  },
}

SCSS

$custom: #39479b;
$custom-light: #7a7ab9;
$custom-dark: #000000;

JSON

{
  "hex": "#39479b",
  "rgb": {
    "r": 57,
    "g": 71,
    "b": 155
  },
  "hsl": {
    "h": 231.429,
    "s": 46.226,
    "l": 41.569
  },
  "oklch": {
    "l": 0.43455,
    "c": 0.13695,
    "h": 272.3
  },
  "luminance": 0.07743
}

Semantic roles & 50–950 ramp

primary

#39479B

secondary

#B9B077

accent

#C352D6

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0911

muted

#7C7B80

Preview Lab

Preview with #39479B

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

Preview Lab → · Contrast checker → · Palette generator →