#39508B#39508B

#39508B is a dark, moderate blue. Relative luminance 0.085; OKLCH L 44.3% C 0.101 H 266.3°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#39508B
RGB	rgb(57, 80, 139)
HSL	hsl(223, 42%, 38%)
HSV	hsv(223, 59%, 55%)
CMYK	cmyk(59%, 42.4%, 0%, 45.5%)
CIE-LAB	lab(34.94, 10.11, -35.56)
CIE-LCH	lch(34.94, 36.97, 285.87°)
OKLab	oklab(44.27% -0.0065 -0.101)
OKLCH	oklch(44.27% 0.101 266.3)
XYZ	xyz(9.2146, 8.4705, 25.5705)
Luminance	0.0847 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39508B #8B7439

analogous

#39798B #39508B #4B398B

triadic

#39508B #8B3950 #508B39

tetradic

#39508B #8B3979 #8B7439 #398B4B

square

#39508B #8B3979 #8B7439 #398B4B

split-complementary

#39508B #8B4B39 #798B39

monochromatic

#151E34 #273760 #39508B #4C69B5 #778EC7

Accessibility & contrast

On white

7.79

#39508B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#39508B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #39508B

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39508B	#FFFFFF	#000000	##FFFFFF
##39508B	1.00	7.79	2.69	7.79
#FFFFFF	7.79	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37568D

Deuteranopia (green-blind)

#2C4F8A

Tritanopia (blue-blind)

#005D66

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #39508b;
/* rgb */ color: rgb(57, 80, 139);
/* oklch */ color: oklch(44.3% 0.101 266.3);

Tailwind

colors: {
  custom: {
    50: '#7680ad',
    500: '#39508b',
    950: '#000000',
  },
}

SCSS

$custom: #39508b;
$custom-light: #7680ad;
$custom-dark: #000000;

JSON

{
  "hex": "#39508b",
  "rgb": {
    "r": 57,
    "g": 80,
    "b": 139
  },
  "hsl": {
    "h": 223.171,
    "s": 41.837,
    "l": 38.431
  },
  "oklch": {
    "l": 0.44266,
    "c": 0.10125,
    "h": 266.3
  },
  "luminance": 0.08471
}

Semantic roles & 50–950 ramp

primary

#39508B

secondary

#B09E6F

accent

#AF56D2

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#090A10

muted

#7B7C7F

Preview Lab

Preview with #39508B

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

Preview Lab → · Contrast checker → · Palette generator →