#2C31AD#2C31AD

#2C31AD is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.3% C 0.192 H 272.1°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#2C31AD
RGB	rgb(44, 49, 173)
HSL	hsl(238, 59%, 43%)
HSV	hsv(238, 75%, 68%)
CMYK	cmyk(74.6%, 71.7%, 0%, 32.2%)
CIE-LAB	lab(28.77, 40.51, -66.20)
CIE-LCH	lch(28.77, 77.61, 301.46°)
OKLab	oklab(40.28% 0.0071 -0.1916)
OKLCH	oklch(40.28% 0.192 272.1)
XYZ	xyz(9.6773, 5.7482, 40.1266)
Luminance	0.0575 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.50

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C31AD #ADA82C

analogous

#2C72AD #2C31AD #672CAD

triadic

#2C31AD #AD2C31 #31AD2C

tetradic

#2C31AD #AD2C72 #ADA82C #2CAD67

square

#2C31AD #AD2C72 #ADA82C #2CAD67

split-complementary

#2C31AD #AD672C #72AD2C

monochromatic

#13154B #20237C #2C31AD #464CD0 #777BDC

Accessibility & contrast

On white

9.77

#2C31AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#2C31AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C31AD

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C31AD	#FFFFFF	#000000	##FFFFFF
##2C31AD	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)

#004AB1

Deuteranopia (green-blind)

#003EAB

Tritanopia (blue-blind)

#00546B

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2c31ad;
/* rgb */ color: rgb(44, 49, 173);
/* oklch */ color: oklch(40.3% 0.192 272.1);

Tailwind

colors: {
  custom: {
    50: '#7a6ac7',
    500: '#2c31ad',
    950: '#000000',
  },
}

SCSS

$custom: #2c31ad;
$custom-light: #7a6ac7;
$custom-dark: #000000;

JSON

{
  "hex": "#2c31ad",
  "rgb": {
    "r": 44,
    "g": 49,
    "b": 173
  },
  "hsl": {
    "h": 237.674,
    "s": 59.447,
    "l": 42.549
  },
  "oklch": {
    "l": 0.40284,
    "c": 0.1917,
    "h": 272.1
  },
  "luminance": 0.05749
}

Semantic roles & 50–950 ramp

primary

#2C31AD

secondary

#C4C171

accent

#DD45E3

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2C31AD

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

Preview Lab → · Contrast checker → · Palette generator →