#3039AB#3039AB

#3039AB is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.6% C 0.179 H 272.3°. Best body text is #FFFFFF at 9.13:1 contrast (WCAG AA passes).

Color values

HEX	#3039AB
RGB	rgb(48, 57, 171)
HSL	hsl(236, 56%, 43%)
HSV	hsv(236, 72%, 67%)
CMYK	cmyk(71.9%, 66.7%, 0%, 32.9%)
CIE-LAB	lab(30.63, 35.31, -61.94)
CIE-LCH	lch(30.63, 71.30, 299.68°)
OKLab	oklab(41.63% 0.0071 -0.179)
OKLCH	oklch(41.63% 0.179 272.3)
XYZ	xyz(10.0303, 6.4939, 39.2450)
Luminance	0.0649 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3039AB #ABA230

analogous

#3076AB #3039AB #6530AB

triadic

#3039AB #AB3039 #39AB30

tetradic

#3039AB #AB3076 #ABA230 #30AB65

square

#3039AB #AB3076 #ABA230 #30AB65

split-complementary

#3039AB #AB6530 #76AB30

monochromatic

#15194B #23297B #3039AB #4C55CD #7B82DA

Accessibility & contrast

On white

9.13

#3039AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#3039AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3039AB

9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3039AB	#FFFFFF	#000000	##FFFFFF
##3039AB	1.00	9.13	2.30	9.13
#FFFFFF	9.13	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAF

Deuteranopia (green-blind)

#0042A9

Tritanopia (blue-blind)

#00576D

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3039ab;
/* rgb */ color: rgb(48, 57, 171);
/* oklch */ color: oklch(41.6% 0.179 272.3);

Tailwind

colors: {
  custom: {
    50: '#7a6fc5',
    500: '#3039ab',
    950: '#000000',
  },
}

SCSS

$custom: #3039ab;
$custom-light: #7a6fc5;
$custom-dark: #000000;

JSON

{
  "hex": "#3039ab",
  "rgb": {
    "r": 48,
    "g": 57,
    "b": 171
  },
  "hsl": {
    "h": 235.61,
    "s": 56.164,
    "l": 42.941
  },
  "oklch": {
    "l": 0.41631,
    "c": 0.17916,
    "h": 272.3
  },
  "luminance": 0.06495
}

Semantic roles & 50–950 ramp

primary

#3039AB

secondary

#C3BD74

accent

#D448DF

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3039AB

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

Preview Lab → · Contrast checker → · Palette generator →