#2D31B8#2D31B8

#2D31B8 is a dark, highly saturated blue. Relative luminance 0.062; OKLCH L 41.5% C 0.205 H 271.8°. Best body text is #FFFFFF at 9.36:1 contrast (WCAG AA passes).

Color values

HEX	#2D31B8
RGB	rgb(45, 49, 184)
HSL	hsl(238, 61%, 45%)
HSV	hsv(238, 76%, 72%)
CMYK	cmyk(75.5%, 73.4%, 0%, 27.8%)
CIE-LAB	lab(29.95, 44.35, -70.82)
CIE-LCH	lch(29.95, 83.56, 302.06°)
OKLab	oklab(41.48% 0.0066 -0.205)
OKLCH	oklch(41.48% 0.205 271.8)
XYZ	xyz(10.8293, 6.2141, 45.9668)
Luminance	0.0621 (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

#2D31B8 #B8B42D

analogous

#2D77B8 #2D31B8 #6E2DB8

triadic

#2D31B8 #B82D31 #31B82D

tetradic

#2D31B8 #B82D77 #B8B42D #2DB86E

square

#2D31B8 #B82D77 #B8B42D #2DB86E

split-complementary

#2D31B8 #B86E2D #77B82D

monochromatic

#151756 #212487 #2D31B8 #4E52D4 #8082E0

Accessibility & contrast

On white

9.36

#2D31B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#2D31B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D31B8

9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D31B8	#FFFFFF	#000000	##FFFFFF
##2D31B8	1.00	9.36	2.24	9.36
#FFFFFF	9.36	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DBC

Deuteranopia (green-blind)

#0040B6

Tritanopia (blue-blind)

#005872

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2d31b8;
/* rgb */ color: rgb(45, 49, 184);
/* oklch */ color: oklch(41.5% 0.205 271.8);

Tailwind

colors: {
  custom: {
    50: '#7d6acf',
    500: '#2d31b8',
    950: '#000000',
  },
}

SCSS

$custom: #2d31b8;
$custom-light: #7d6acf;
$custom-dark: #000000;

JSON

{
  "hex": "#2d31b8",
  "rgb": {
    "r": 45,
    "g": 49,
    "b": 184
  },
  "hsl": {
    "h": 238.273,
    "s": 60.699,
    "l": 44.902
  },
  "oklch": {
    "l": 0.41477,
    "c": 0.20509,
    "h": 271.8
  },
  "luminance": 0.06215
}

Semantic roles & 50–950 ramp

primary

#2D31B8

secondary

#C9C678

accent

#DF44E4

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #2D31B8

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

Preview Lab → · Contrast checker → · Palette generator →