#3039B2#3039B2

#3039B2 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.3% C 0.188 H 272.0°. Best body text is #FFFFFF at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#3039B2
RGB	rgb(48, 57, 178)
HSL	hsl(236, 58%, 44%)
HSV	hsv(236, 73%, 70%)
CMYK	cmyk(73%, 68%, 0%, 30.2%)
CIE-LAB	lab(31.27, 37.78, -65.06)
CIE-LCH	lch(31.27, 75.24, 300.14°)
OKLab	oklab(42.3% 0.0064 -0.1881)
OKLCH	oklch(42.3% 0.188 272)
XYZ	xyz(10.7152, 6.7679, 42.8525)
Luminance	0.0677 (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

#3039B2 #B2A930

analogous

#307AB2 #3039B2 #6830B2

triadic

#3039B2 #B23039 #39B230

tetradic

#3039B2 #B2307A #B2A930 #30B268

square

#3039B2 #B2307A #B2A930 #30B268

split-complementary

#3039B2 #B26830 #7AB230

monochromatic

#161A52 #232A82 #3039B2 #5058D0 #8086DD

Accessibility & contrast

On white

8.92

#3039B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#3039B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3039B2

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3039B2	#FFFFFF	#000000	##FFFFFF
##3039B2	1.00	8.92	2.35	8.92
#FFFFFF	8.92	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B6

Deuteranopia (green-blind)

#0043B0

Tritanopia (blue-blind)

#005A71

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3039b2;
/* rgb */ color: rgb(48, 57, 178);
/* oklch */ color: oklch(42.3% 0.188 272.0);

Tailwind

colors: {
  custom: {
    50: '#7c70ca',
    500: '#3039b2',
    950: '#000000',
  },
}

SCSS

$custom: #3039b2;
$custom-light: #7c70ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3039b2",
  "rgb": {
    "r": 48,
    "g": 57,
    "b": 178
  },
  "hsl": {
    "h": 235.846,
    "s": 57.522,
    "l": 44.314
  },
  "oklch": {
    "l": 0.42298,
    "c": 0.18825,
    "h": 272
  },
  "luminance": 0.06769
}

Semantic roles & 50–950 ramp

primary

#3039B2

secondary

#C6C078

accent

#D647E1

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3039B2

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

Preview Lab → · Contrast checker → · Palette generator →