#2931AB#2931AB

#2931AB is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.9% C 0.190 H 271.2°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#2931AB
RGB	rgb(41, 49, 171)
HSL	hsl(236, 61%, 42%)
HSV	hsv(236, 76%, 67%)
CMYK	cmyk(76%, 71.3%, 0%, 32.9%)
CIE-LAB	lab(28.40, 39.53, -65.62)
CIE-LCH	lch(28.40, 76.60, 301.06°)
OKLab	oklab(39.91% 0.0041 -0.1899)
OKLCH	oklch(39.91% 0.19 271.2)
XYZ	xyz(9.3610, 5.6073, 39.1092)
Luminance	0.0561 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2931AB #ABA329

analogous

#2972AB #2931AB #6229AB

triadic

#2931AB #AB2931 #31AB29

tetradic

#2931AB #AB2972 #ABA329 #29AB62

square

#2931AB #AB2972 #ABA329 #29AB62

split-complementary

#2931AB #AB6229 #72AB29

monochromatic

#111548 #1D237A #2931AB #4049D1 #7178DD

Accessibility & contrast

On white

9.90

#2931AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#2931AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2931AB

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2931AB	#FFFFFF	#000000	##FFFFFF
##2931AB	1.00	9.90	2.12	9.90
#FFFFFF	9.90	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049AF

Deuteranopia (green-blind)

#003DA9

Tritanopia (blue-blind)

#00536A

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2931ab;
/* rgb */ color: rgb(41, 49, 171);
/* oklch */ color: oklch(39.9% 0.190 271.2);

Tailwind

colors: {
  custom: {
    50: '#786ac5',
    500: '#2931ab',
    950: '#000000',
  },
}

SCSS

$custom: #2931ab;
$custom-light: #786ac5;
$custom-dark: #000000;

JSON

{
  "hex": "#2931ab",
  "rgb": {
    "r": 41,
    "g": 49,
    "b": 171
  },
  "hsl": {
    "h": 236.308,
    "s": 61.321,
    "l": 41.569
  },
  "oklch": {
    "l": 0.39914,
    "c": 0.18997,
    "h": 271.2
  },
  "luminance": 0.05608
}

Semantic roles & 50–950 ramp

primary

#2931AB

secondary

#C4BF6C

accent

#DB43E4

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2931AB

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

Preview Lab → · Contrast checker → · Palette generator →