#3039AA#3039AA

#3039AA is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.5% C 0.178 H 272.3°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#3039AA
RGB	rgb(48, 57, 170)
HSL	hsl(236, 56%, 43%)
HSV	hsv(236, 72%, 67%)
CMYK	cmyk(71.8%, 66.5%, 0%, 33.3%)
CIE-LAB	lab(30.53, 34.95, -61.49)
CIE-LCH	lch(30.53, 70.73, 299.61°)
OKLab	oklab(41.54% 0.0072 -0.1777)
OKLCH	oklch(41.54% 0.178 272.3)
XYZ	xyz(9.9353, 6.4559, 38.7449)
Luminance	0.0646 (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

#3039AA #AAA130

analogous

#3076AA #3039AA #6430AA

triadic

#3039AA #AA3039 #39AA30

tetradic

#3039AA #AA3076 #AAA130 #30AA64

square

#3039AA #AA3076 #AAA130 #30AA64

split-complementary

#3039AA #AA6430 #76AA30

monochromatic

#15194B #23297A #3039AA #4B55CC #7B82DA

Accessibility & contrast

On white

9.16

#3039AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#3039AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3039AA

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3039AA	#FFFFFF	#000000	##FFFFFF
##3039AA	1.00	9.16	2.29	9.16
#FFFFFF	9.16	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAE

Deuteranopia (green-blind)

#0042A8

Tritanopia (blue-blind)

#00576C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3039aa;
/* rgb */ color: rgb(48, 57, 170);
/* oklch */ color: oklch(41.5% 0.178 272.3);

Tailwind

colors: {
  custom: {
    50: '#7a6fc4',
    500: '#3039aa',
    950: '#000000',
  },
}

SCSS

$custom: #3039aa;
$custom-light: #7a6fc4;
$custom-dark: #000000;

JSON

{
  "hex": "#3039aa",
  "rgb": {
    "r": 48,
    "g": 57,
    "b": 170
  },
  "hsl": {
    "h": 235.574,
    "s": 55.963,
    "l": 42.745
  },
  "oklch": {
    "l": 0.41537,
    "c": 0.17784,
    "h": 272.3
  },
  "luminance": 0.06457
}

Semantic roles & 50–950 ramp

primary

#3039AA

secondary

#C2BC74

accent

#D449DF

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3039AA

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

Preview Lab → · Contrast checker → · Palette generator →