#2D31AC#2D31AC

#2D31AC is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.2% C 0.190 H 272.5°. Best body text is #FFFFFF at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#2D31AC
RGB	rgb(45, 49, 172)
HSL	hsl(238, 59%, 43%)
HSV	hsv(238, 74%, 67%)
CMYK	cmyk(73.8%, 71.5%, 0%, 32.5%)
CIE-LAB	lab(28.73, 40.26, -65.67)
CIE-LCH	lch(28.73, 77.03, 301.51°)
OKLab	oklab(40.24% 0.0084 -0.19)
OKLCH	oklch(40.24% 0.19 272.5)
XYZ	xyz(9.6244, 5.7321, 39.6209)
Luminance	0.0573 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.53

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D31AC #ACA82D

analogous

#2D71AC #2D31AC #682DAC

triadic

#2D31AC #AC2D31 #31AC2D

tetradic

#2D31AC #AC2D71 #ACA82D #2DAC68

square

#2D31AC #AC2D71 #ACA82D #2DAC68

split-complementary

#2D31AC #AC682D #71AC2D

monochromatic

#14154B #20237B #2D31AC #474CCF #787BDC

Accessibility & contrast

On white

9.78

#2D31AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#2D31AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D31AC

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D31AC	#FFFFFF	#000000	##FFFFFF
##2D31AC	1.00	9.78	2.15	9.78
#FFFFFF	9.78	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB0

Deuteranopia (green-blind)

#003EAA

Tritanopia (blue-blind)

#00536B

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2d31ac;
/* rgb */ color: rgb(45, 49, 172);
/* oklch */ color: oklch(40.2% 0.190 272.5);

Tailwind

colors: {
  custom: {
    50: '#7a6ac6',
    500: '#2d31ac',
    950: '#000000',
  },
}

SCSS

$custom: #2d31ac;
$custom-light: #7a6ac6;
$custom-dark: #000000;

JSON

{
  "hex": "#2d31ac",
  "rgb": {
    "r": 45,
    "g": 49,
    "b": 172
  },
  "hsl": {
    "h": 238.11,
    "s": 58.525,
    "l": 42.549
  },
  "oklch": {
    "l": 0.40239,
    "c": 0.19018,
    "h": 272.5
  },
  "luminance": 0.05733
}

Semantic roles & 50–950 ramp

primary

#2D31AC

secondary

#C4C171

accent

#DD46E2

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2D31AC

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

Preview Lab → · Contrast checker → · Palette generator →