#2B39A8#2B39A8

#2B39A8 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.1% C 0.177 H 270.6°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#2B39A8
RGB	rgb(43, 57, 168)
HSL	hsl(233, 59%, 41%)
HSV	hsv(233, 74%, 66%)
CMYK	cmyk(74.4%, 66.1%, 0%, 34.1%)
CIE-LAB	lab(30.07, 33.65, -61.06)
CIE-LCH	lch(30.07, 69.72, 298.86°)
OKLab	oklab(41.07% 0.002 -0.1766)
OKLCH	oklch(41.07% 0.177 270.6)
XYZ	xyz(9.5249, 6.2660, 37.7457)
Luminance	0.0627 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B39A8 #A89A2B

analogous

#2B78A8 #2B39A8 #5C2BA8

triadic

#2B39A8 #A82B39 #39A82B

tetradic

#2B39A8 #A82B78 #A89A2B #2BA85C

square

#2B39A8 #A82B78 #A89A2B #2BA85C

split-complementary

#2B39A8 #A85C2B #78A82B

monochromatic

#121847 #1F2877 #2B39A8 #4251CF #727EDB

Accessibility & contrast

On white

9.32

#2B39A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#2B39A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B39A8

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B39A8	#FFFFFF	#000000	##FFFFFF
##2B39A8	1.00	9.32	2.25	9.32
#FFFFFF	9.32	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DAB

Deuteranopia (green-blind)

#0041A6

Tritanopia (blue-blind)

#00566B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2b39a8;
/* rgb */ color: rgb(43, 57, 168);
/* oklch */ color: oklch(41.1% 0.177 270.6);

Tailwind

colors: {
  custom: {
    50: '#786fc3',
    500: '#2b39a8',
    950: '#000000',
  },
}

SCSS

$custom: #2b39a8;
$custom-light: #786fc3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b39a8",
  "rgb": {
    "r": 43,
    "g": 57,
    "b": 168
  },
  "hsl": {
    "h": 233.28,
    "s": 59.242,
    "l": 41.373
  },
  "oklch": {
    "l": 0.41069,
    "c": 0.17656,
    "h": 270.6
  },
  "luminance": 0.06267
}

Semantic roles & 50–950 ramp

primary

#2B39A8

secondary

#C2B96C

accent

#D145E2

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2B39A8

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

Preview Lab → · Contrast checker → · Palette generator →