#2B39A9#2B39A9

#2B39A9 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.2% C 0.178 H 270.6°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#2B39A9
RGB	rgb(43, 57, 169)
HSL	hsl(233, 59%, 42%)
HSV	hsv(233, 75%, 66%)
CMYK	cmyk(74.6%, 66.3%, 0%, 33.7%)
CIE-LAB	lab(30.17, 34.01, -61.51)
CIE-LCH	lch(30.17, 70.29, 298.94°)
OKLab	oklab(41.16% 0.0019 -0.1779)
OKLCH	oklch(41.16% 0.178 270.6)
XYZ	xyz(9.6184, 6.3034, 38.2382)
Luminance	0.0630 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B39A9 #A99B2B

analogous

#2B78A9 #2B39A9 #5C2BA9

triadic

#2B39A9 #A92B39 #39A92B

tetradic

#2B39A9 #A92B78 #A99B2B #2BA95C

square

#2B39A9 #A92B78 #A99B2B #2BA95C

split-complementary

#2B39A9 #A95C2B #78A92B

monochromatic

#121847 #1F2978 #2B39A9 #4252CF #737FDB

Accessibility & contrast

On white

9.29

#2B39A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#2B39A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B39A9

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B39A9	#FFFFFF	#000000	##FFFFFF
##2B39A9	1.00	9.29	2.26	9.29
#FFFFFF	9.29	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DAD

Deuteranopia (green-blind)

#0041A7

Tritanopia (blue-blind)

#00576C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2b39a9;
/* rgb */ color: rgb(43, 57, 169);
/* oklch */ color: oklch(41.2% 0.178 270.6);

Tailwind

colors: {
  custom: {
    50: '#786fc4',
    500: '#2b39a9',
    950: '#000000',
  },
}

SCSS

$custom: #2b39a9;
$custom-light: #786fc4;
$custom-dark: #000000;

JSON

{
  "hex": "#2b39a9",
  "rgb": {
    "r": 43,
    "g": 57,
    "b": 169
  },
  "hsl": {
    "h": 233.333,
    "s": 59.434,
    "l": 41.569
  },
  "oklch": {
    "l": 0.41164,
    "c": 0.17788,
    "h": 270.6
  },
  "luminance": 0.06304
}

Semantic roles & 50–950 ramp

primary

#2B39A9

secondary

#C3B96D

accent

#D145E3

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2B39A9

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

Preview Lab → · Contrast checker → · Palette generator →