#2B1FA8#2B1FA8

#2B1FA8 is a dark, highly saturated blue. Relative luminance 0.043; OKLCH L 37.2% C 0.203 H 274.2°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#2B1FA8
RGB	rgb(43, 31, 168)
HSL	hsl(245, 69%, 39%)
HSV	hsv(245, 82%, 66%)
CMYK	cmyk(74.4%, 81.5%, 0%, 34.1%)
CIE-LAB	lab(24.70, 48.61, -69.92)
CIE-LCH	lch(24.70, 85.16, 304.81°)
OKLab	oklab(37.24% 0.0148 -0.2022)
OKLCH	oklch(37.24% 0.203 274.2)
XYZ	xyz(8.5518, 4.3198, 37.4213)
Luminance	0.0432 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1FA8 #9CA81F

analogous

#1F58A8 #2B1FA8 #6F1FA8

triadic

#2B1FA8 #A82B1F #1FA82B

tetradic

#2B1FA8 #A81F58 #9CA81F #1FA86F

square

#2B1FA8 #A81F58 #9CA81F #1FA86F

split-complementary

#2B1FA8 #A86F1F #58A81F

monochromatic

#110C41 #1E1574 #2B1FA8 #3B2CD8 #6B60E2

Accessibility & contrast

On white

11.26

#2B1FA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#2B1FA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1FA8

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1FA8	#FFFFFF	#000000	##FFFFFF
##2B1FA8	1.00	11.26	1.86	11.26
#FFFFFF	11.26	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041AC

Deuteranopia (green-blind)

#0034A6

Tritanopia (blue-blind)

#004A64

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2b1fa8;
/* rgb */ color: rgb(43, 31, 168);
/* oklch */ color: oklch(37.2% 0.203 274.2);

Tailwind

colors: {
  custom: {
    50: '#7a5fc3',
    500: '#2b1fa8',
    950: '#000000',
  },
}

SCSS

$custom: #2b1fa8;
$custom-light: #7a5fc3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1fa8",
  "rgb": {
    "r": 43,
    "g": 31,
    "b": 168
  },
  "hsl": {
    "h": 245.255,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.37237,
    "c": 0.20275,
    "h": 274.2
  },
  "luminance": 0.04321
}

Semantic roles & 50–950 ramp

primary

#2B1FA8

secondary

#BDC65D

accent

#EC3CDC

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2B1FA8

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

Preview Lab → · Contrast checker → · Palette generator →