#2B39B1#2B39B1

#2B39B1 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.9% C 0.188 H 270.4°. Best body text is #FFFFFF at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#2B39B1
RGB	rgb(43, 57, 177)
HSL	hsl(234, 61%, 43%)
HSV	hsv(234, 76%, 69%)
CMYK	cmyk(75.7%, 67.8%, 0%, 30.6%)
CIE-LAB	lab(30.91, 36.90, -65.07)
CIE-LCH	lch(30.91, 74.81, 299.55°)
OKLab	oklab(41.93% 0.0012 -0.1883)
OKLCH	oklch(41.93% 0.188 270.4)
XYZ	xyz(10.3925, 6.6131, 42.3152)
Luminance	0.0661 (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

#2B39B1 #B1A32B

analogous

#2B7CB1 #2B39B1 #602BB1

triadic

#2B39B1 #B12B39 #39B12B

tetradic

#2B39B1 #B12B7C #B1A32B #2BB160

square

#2B39B1 #B12B7C #B1A32B #2BB160

split-complementary

#2B39B1 #B1602B #7CB12B

monochromatic

#13194F #1F2980 #2B39B1 #4755D2 #7883DE

Accessibility & contrast

On white

9.04

#2B39B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#2B39B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B39B1

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B39B1	#FFFFFF	#000000	##FFFFFF
##2B39B1	1.00	9.04	2.32	9.04
#FFFFFF	9.04	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB5

Deuteranopia (green-blind)

#0042AF

Tritanopia (blue-blind)

#005A70

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2b39b1;
/* rgb */ color: rgb(43, 57, 177);
/* oklch */ color: oklch(41.9% 0.188 270.4);

Tailwind

colors: {
  custom: {
    50: '#7a6fc9',
    500: '#2b39b1',
    950: '#000000',
  },
}

SCSS

$custom: #2b39b1;
$custom-light: #7a6fc9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b39b1",
  "rgb": {
    "r": 43,
    "g": 57,
    "b": 177
  },
  "hsl": {
    "h": 233.731,
    "s": 60.909,
    "l": 43.137
  },
  "oklch": {
    "l": 0.41933,
    "c": 0.18829,
    "h": 270.4
  },
  "luminance": 0.06614
}

Semantic roles & 50–950 ramp

primary

#2B39B1

secondary

#C6BD72

accent

#D344E4

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2B39B1

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

Preview Lab → · Contrast checker → · Palette generator →