#2B31BF#2B31BF

#2B31BF is a dark, highly saturated blue. Relative luminance 0.065; OKLCH L 42.1% C 0.214 H 270.9°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#2B31BF
RGB	rgb(43, 49, 191)
HSL	hsl(238, 63%, 46%)
HSV	hsv(238, 77%, 75%)
CMYK	cmyk(77.5%, 74.3%, 0%, 25.1%)
CIE-LAB	lab(30.57, 46.53, -73.93)
CIE-LCH	lch(30.57, 87.36, 302.19°)
OKLab	oklab(42.11% 0.0033 -0.2141)
OKLCH	oklch(42.11% 0.214 270.9)
XYZ	xyz(11.4954, 6.4705, 49.9232)
Luminance	0.0647 (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

#2B31BF #BFB92B

analogous

#2B7BBF #2B31BF #6F2BBF

triadic

#2B31BF #BF2B31 #31BF2B

tetradic

#2B31BF #BF2B7B #BFB92B #2BBF6F

square

#2B31BF #BF2B7B #BFB92B #2BBF6F

split-complementary

#2B31BF #BF6F2B #7BBF2B

monochromatic

#15175B #20248D #2B31BF #5055D8 #8286E3

Accessibility & contrast

On white

9.15

#2B31BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#2B31BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B31BF

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B31BF	#FFFFFF	#000000	##FFFFFF
##2B31BF	1.00	9.15	2.29	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FC3

Deuteranopia (green-blind)

#0041BC

Tritanopia (blue-blind)

#005B76

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2b31bf;
/* rgb */ color: rgb(43, 49, 191);
/* oklch */ color: oklch(42.1% 0.214 270.9);

Tailwind

colors: {
  custom: {
    50: '#7e6bd4',
    500: '#2b31bf',
    950: '#000000',
  },
}

SCSS

$custom: #2b31bf;
$custom-light: #7e6bd4;
$custom-dark: #000000;

JSON

{
  "hex": "#2b31bf",
  "rgb": {
    "r": 43,
    "g": 49,
    "b": 191
  },
  "hsl": {
    "h": 237.568,
    "s": 63.248,
    "l": 45.882
  },
  "oklch": {
    "l": 0.42109,
    "c": 0.2141,
    "h": 270.9
  },
  "luminance": 0.06472
}

Semantic roles & 50–950 ramp

primary

#2B31BF

secondary

#CCC87A

accent

#E042E6

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #2B31BF

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

Preview Lab → · Contrast checker → · Palette generator →