#2A31AD#2A31AD

#2A31AD is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.2% C 0.192 H 271.5°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#2A31AD
RGB	rgb(42, 49, 173)
HSL	hsl(237, 61%, 42%)
HSV	hsv(237, 76%, 68%)
CMYK	cmyk(75.7%, 71.7%, 0%, 32.2%)
CIE-LAB	lab(28.66, 40.32, -66.39)
CIE-LCH	lch(28.66, 77.68, 301.27°)
OKLab	oklab(40.17% 0.0049 -0.1922)
OKLCH	oklch(40.17% 0.192 271.5)
XYZ	xyz(9.5934, 5.7050, 40.1226)
Luminance	0.0571 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A31AD #ADA62A

analogous

#2A73AD #2A31AD #652AAD

triadic

#2A31AD #AD2A31 #31AD2A

tetradic

#2A31AD #AD2A73 #ADA62A #2AAD65

square

#2A31AD #AD2A73 #ADA62A #2AAD65

split-complementary

#2A31AD #AD652A #73AD2A

monochromatic

#12154B #1E237C #2A31AD #434AD1 #747ADD

Accessibility & contrast

On white

9.81

#2A31AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#2A31AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A31AD

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A31AD	#FFFFFF	#000000	##FFFFFF
##2A31AD	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB1

Deuteranopia (green-blind)

#003DAB

Tritanopia (blue-blind)

#00546B

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2a31ad;
/* rgb */ color: rgb(42, 49, 173);
/* oklch */ color: oklch(40.2% 0.192 271.5);

Tailwind

colors: {
  custom: {
    50: '#796ac7',
    500: '#2a31ad',
    950: '#000000',
  },
}

SCSS

$custom: #2a31ad;
$custom-light: #796ac7;
$custom-dark: #000000;

JSON

{
  "hex": "#2a31ad",
  "rgb": {
    "r": 42,
    "g": 49,
    "b": 173
  },
  "hsl": {
    "h": 236.794,
    "s": 60.93,
    "l": 42.157
  },
  "oklch": {
    "l": 0.40173,
    "c": 0.19223,
    "h": 271.5
  },
  "luminance": 0.05706
}

Semantic roles & 50–950 ramp

primary

#2A31AD

secondary

#C5C06E

accent

#DB44E4

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2A31AD

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

Preview Lab → · Contrast checker → · Palette generator →