#3031A3#3031A3

#3031A3 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.5% C 0.178 H 274.3°. Best body text is #FFFFFF at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#3031A3
RGB	rgb(48, 49, 163)
HSL	hsl(239, 55%, 41%)
HSV	hsv(239, 71%, 64%)
CMYK	cmyk(70.6%, 69.9%, 0%, 36.1%)
CIE-LAB	lab(28.03, 37.49, -61.39)
CIE-LCH	lch(28.03, 71.93, 301.41°)
OKLab	oklab(39.52% 0.0132 -0.1774)
OKLCH	oklch(39.52% 0.178 274.3)
XYZ	xyz(8.9259, 5.4685, 35.2284)
Luminance	0.0547 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3031A3 #A3A230

analogous

#306BA3 #3031A3 #6930A3

triadic

#3031A3 #A33031 #31A330

tetradic

#3031A3 #A3306B #A3A230 #30A369

square

#3031A3 #A3306B #A3A230 #30A369

split-complementary

#3031A3 #A36930 #6BA330

monochromatic

#141544 #222374 #3031A3 #4748C9 #7777D7

Accessibility & contrast

On white

10.03

#3031A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#3031A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3031A3

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3031A3	#FFFFFF	#000000	##FFFFFF
##3031A3	1.00	10.03	2.09	10.03
#FFFFFF	10.03	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A6

Deuteranopia (green-blind)

#003DA1

Tritanopia (blue-blind)

#005066

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3031a3;
/* rgb */ color: rgb(48, 49, 163);
/* oklch */ color: oklch(39.5% 0.178 274.3);

Tailwind

colors: {
  custom: {
    50: '#796abf',
    500: '#3031a3',
    950: '#000000',
  },
}

SCSS

$custom: #3031a3;
$custom-light: #796abf;
$custom-dark: #000000;

JSON

{
  "hex": "#3031a3",
  "rgb": {
    "r": 48,
    "g": 49,
    "b": 163
  },
  "hsl": {
    "h": 239.478,
    "s": 54.502,
    "l": 41.373
  },
  "oklch": {
    "l": 0.39521,
    "c": 0.1779,
    "h": 274.3
  },
  "luminance": 0.05469
}

Semantic roles & 50–950 ramp

primary

#3031A3

secondary

#BFBE70

accent

#DD4ADE

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #3031A3

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

Preview Lab → · Contrast checker → · Palette generator →