#2931A8#2931A8

#2931A8 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.6% C 0.186 H 271.4°. Best body text is #FFFFFF at 10.00:1 contrast (WCAG AA passes).

Color values

HEX	#2931A8
RGB	rgb(41, 49, 168)
HSL	hsl(236, 61%, 41%)
HSV	hsv(236, 76%, 66%)
CMYK	cmyk(75.6%, 70.8%, 0%, 34.1%)
CIE-LAB	lab(28.10, 38.47, -64.31)
CIE-LCH	lch(28.10, 74.94, 300.89°)
OKLab	oklab(39.61% 0.0045 -0.1861)
OKLCH	oklch(39.61% 0.186 271.4)
XYZ	xyz(9.0783, 5.4942, 37.6202)
Luminance	0.0549 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2931A8 #A8A029

analogous

#2970A8 #2931A8 #6029A8

triadic

#2931A8 #A82931 #31A829

tetradic

#2931A8 #A82970 #A8A029 #29A860

square

#2931A8 #A82970 #A8A029 #29A860

split-complementary

#2931A8 #A86029 #70A829

monochromatic

#111446 #1D2377 #2931A8 #3E47D0 #6F76DC

Accessibility & contrast

On white

10.00

#2931A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#2931A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2931A8

10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2931A8	#FFFFFF	#000000	##FFFFFF
##2931A8	1.00	10.00	2.10	10.00
#FFFFFF	10.00	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048AC

Deuteranopia (green-blind)

#003CA6

Tritanopia (blue-blind)

#005269

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2931a8;
/* rgb */ color: rgb(41, 49, 168);
/* oklch */ color: oklch(39.6% 0.186 271.4);

Tailwind

colors: {
  custom: {
    50: '#786ac3',
    500: '#2931a8',
    950: '#000000',
  },
}

SCSS

$custom: #2931a8;
$custom-light: #786ac3;
$custom-dark: #000000;

JSON

{
  "hex": "#2931a8",
  "rgb": {
    "r": 41,
    "g": 49,
    "b": 168
  },
  "hsl": {
    "h": 236.22,
    "s": 60.766,
    "l": 40.98
  },
  "oklch": {
    "l": 0.39607,
    "c": 0.18616,
    "h": 271.4
  },
  "luminance": 0.05495
}

Semantic roles & 50–950 ramp

primary

#2931A8

secondary

#C3BD6A

accent

#DA44E4

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #2931A8

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

Preview Lab → · Contrast checker → · Palette generator →