#3031B6#3031B6

#3031B6 is a dark, highly saturated blue. Relative luminance 0.062; OKLCH L 41.4% C 0.202 H 272.9°. Best body text is #FFFFFF at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#3031B6
RGB	rgb(48, 49, 182)
HSL	hsl(240, 58%, 45%)
HSV	hsv(240, 74%, 71%)
CMYK	cmyk(73.6%, 73.1%, 0%, 28.6%)
CIE-LAB	lab(29.91, 43.95, -69.68)
CIE-LCH	lch(29.91, 82.38, 302.24°)
OKLab	oklab(41.44% 0.0103 -0.2016)
OKLCH	oklch(41.44% 0.202 272.9)
XYZ	xyz(10.7579, 6.2013, 44.8769)
Luminance	0.0620 (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

#3031B6 #B6B530

analogous

#3074B6 #3031B6 #7230B6

triadic

#3031B6 #B63031 #31B630

tetradic

#3031B6 #B63074 #B6B530 #30B672

square

#3031B6 #B63074 #B6B530 #30B672

split-complementary

#3031B6 #B67230 #74B630

monochromatic

#161755 #232486 #3031B6 #5253D1 #8283DE

Accessibility & contrast

On white

9.37

#3031B6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#3031B6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3031B6

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3031B6	#FFFFFF	#000000	##FFFFFF
##3031B6	1.00	9.37	2.24	9.37
#FFFFFF	9.37	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DBA

Deuteranopia (green-blind)

#0040B4

Tritanopia (blue-blind)

#005770

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3031b6;
/* rgb */ color: rgb(48, 49, 182);
/* oklch */ color: oklch(41.4% 0.202 272.9);

Tailwind

colors: {
  custom: {
    50: '#7d6bcd',
    500: '#3031b6',
    950: '#000000',
  },
}

SCSS

$custom: #3031b6;
$custom-light: #7d6bcd;
$custom-dark: #000000;

JSON

{
  "hex": "#3031b6",
  "rgb": {
    "r": 48,
    "g": 49,
    "b": 182
  },
  "hsl": {
    "h": 239.552,
    "s": 58.261,
    "l": 45.098
  },
  "oklch": {
    "l": 0.4144,
    "c": 0.20186,
    "h": 272.9
  },
  "luminance": 0.06202
}

Semantic roles & 50–950 ramp

primary

#3031B6

secondary

#C7C77B

accent

#E046E1

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #3031B6

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

Preview Lab → · Contrast checker → · Palette generator →