#2A31B2#2A31B2

#2A31B2 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.7% C 0.198 H 271.2°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#2A31B2
RGB	rgb(42, 49, 178)
HSL	hsl(237, 62%, 43%)
HSV	hsv(237, 76%, 70%)
CMYK	cmyk(76.4%, 72.5%, 0%, 30.2%)
CIE-LAB	lab(29.16, 42.05, -68.54)
CIE-LCH	lch(29.16, 80.41, 301.53°)
OKLab	oklab(40.69% 0.0042 -0.1984)
OKLCH	oklch(40.69% 0.198 271.2)
XYZ	xyz(10.0863, 5.9021, 42.7185)
Luminance	0.0590 (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

#2A31B2 #B2AB2A

analogous

#2A75B2 #2A31B2 #672AB2

triadic

#2A31B2 #B22A31 #31B22A

tetradic

#2A31B2 #B22A75 #B2AB2A #2AB267

square

#2A31B2 #B22A75 #B2AB2A #2AB267

split-complementary

#2A31B2 #B2672A #75B22A

monochromatic

#13164F #1E2380 #2A31B2 #464DD3 #777DDF

Accessibility & contrast

On white

9.63

#2A31B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#2A31B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A31B2

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A31B2	#FFFFFF	#000000	##FFFFFF
##2A31B2	1.00	9.63	2.18	9.63
#FFFFFF	9.63	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB6

Deuteranopia (green-blind)

#003EB0

Tritanopia (blue-blind)

#00566E

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2a31b2;
/* rgb */ color: rgb(42, 49, 178);
/* oklch */ color: oklch(40.7% 0.198 271.2);

Tailwind

colors: {
  custom: {
    50: '#7a6aca',
    500: '#2a31b2',
    950: '#000000',
  },
}

SCSS

$custom: #2a31b2;
$custom-light: #7a6aca;
$custom-dark: #000000;

JSON

{
  "hex": "#2a31b2",
  "rgb": {
    "r": 42,
    "g": 49,
    "b": 178
  },
  "hsl": {
    "h": 236.912,
    "s": 61.818,
    "l": 43.137
  },
  "oklch": {
    "l": 0.4069,
    "c": 0.19847,
    "h": 271.2
  },
  "luminance": 0.05903
}

Semantic roles & 50–950 ramp

primary

#2A31B2

secondary

#C7C271

accent

#DD43E5

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2A31B2

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

Preview Lab → · Contrast checker → · Palette generator →