#2A31AE#2A31AE

#2A31AE is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.3% C 0.193 H 271.4°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#2A31AE
RGB	rgb(42, 49, 174)
HSL	hsl(237, 61%, 42%)
HSV	hsv(237, 76%, 68%)
CMYK	cmyk(75.9%, 71.8%, 0%, 31.8%)
CIE-LAB	lab(28.76, 40.67, -66.83)
CIE-LCH	lch(28.76, 78.23, 301.32°)
OKLab	oklab(40.28% 0.0048 -0.1934)
OKLCH	oklch(40.28% 0.193 271.4)
XYZ	xyz(9.6906, 5.7438, 40.6341)
Luminance	0.0575 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.55

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A31AE #AEA72A

analogous

#2A73AE #2A31AE #652AAE

triadic

#2A31AE #AE2A31 #31AE2A

tetradic

#2A31AE #AE2A73 #AEA72A #2AAE65

square

#2A31AE #AE2A73 #AEA72A #2AAE65

split-complementary

#2A31AE #AE652A #73AE2A

monochromatic

#12154B #1E237D #2A31AE #434BD2 #757ADE

Accessibility & contrast

On white

9.77

#2A31AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#2A31AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A31AE

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A31AE	#FFFFFF	#000000	##FFFFFF
##2A31AE	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB2

Deuteranopia (green-blind)

#003DAC

Tritanopia (blue-blind)

#00546C

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2a31ae;
/* rgb */ color: rgb(42, 49, 174);
/* oklch */ color: oklch(40.3% 0.193 271.4);

Tailwind

colors: {
  custom: {
    50: '#796ac7',
    500: '#2a31ae',
    950: '#000000',
  },
}

SCSS

$custom: #2a31ae;
$custom-light: #796ac7;
$custom-dark: #000000;

JSON

{
  "hex": "#2a31ae",
  "rgb": {
    "r": 42,
    "g": 49,
    "b": 174
  },
  "hsl": {
    "h": 236.818,
    "s": 61.111,
    "l": 42.353
  },
  "oklch": {
    "l": 0.40276,
    "c": 0.19349,
    "h": 271.4
  },
  "luminance": 0.05745
}

Semantic roles & 50–950 ramp

primary

#2A31AE

secondary

#C5C16F

accent

#DC44E4

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2A31AE

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

Preview Lab → · Contrast checker → · Palette generator →