#39478B#39478B

#39478B is a dark, moderate blue. Relative luminance 0.072; OKLCH L 42.3% C 0.113 H 272.0°. Best body text is #FFFFFF at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#39478B
RGB	rgb(57, 71, 139)
HSL	hsl(230, 42%, 38%)
HSV	hsv(230, 59%, 55%)
CMYK	cmyk(59%, 48.9%, 0%, 45.5%)
CIE-LAB	lab(32.35, 16.07, -39.71)
CIE-LCH	lch(32.35, 42.83, 292.04°)
OKLab	oklab(42.28% 0.0039 -0.1133)
OKLCH	oklch(42.28% 0.113 272)
XYZ	xyz(8.5992, 7.2398, 25.3654)
Luminance	0.0724 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39478B #8B7D39

analogous

#39708B #39478B #54398B

triadic

#39478B #8B3947 #478B39

tetradic

#39478B #8B3970 #8B7D39 #398B54

square

#39478B #8B3970 #8B7D39 #398B54

split-complementary

#39478B #8B5439 #708B39

monochromatic

#151B34 #273160 #39478B #4C5EB5 #7785C7

Accessibility & contrast

On white

8.58

#39478B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#39478B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #39478B

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39478B	#FFFFFF	#000000	##FFFFFF
##39478B	1.00	8.58	2.45	8.58
#FFFFFF	8.58	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26508D

Deuteranopia (green-blind)

#1A498A

Tritanopia (blue-blind)

#015662

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #39478b;
/* rgb */ color: rgb(57, 71, 139);
/* oklch */ color: oklch(42.3% 0.113 272.0);

Tailwind

colors: {
  custom: {
    50: '#7779ad',
    500: '#39478b',
    950: '#000000',
  },
}

SCSS

$custom: #39478b;
$custom-light: #7779ad;
$custom-dark: #000000;

JSON

{
  "hex": "#39478b",
  "rgb": {
    "r": 57,
    "g": 71,
    "b": 139
  },
  "hsl": {
    "h": 229.756,
    "s": 41.837,
    "l": 38.431
  },
  "oklch": {
    "l": 0.42278,
    "c": 0.11339,
    "h": 272
  },
  "luminance": 0.0724
}

Semantic roles & 50–950 ramp

primary

#39478B

secondary

#B0A56F

accent

#BD56D2

background

#F7F7FA

surface

#EEEDF4

border

#C9C8CE

text

#090910

muted

#7B7B7F

Preview Lab

Preview with #39478B

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

Preview Lab → · Contrast checker → · Palette generator →