#2B39A0#2B39A0

#2B39A0 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.3% C 0.166 H 270.8°. Best body text is #FFFFFF at 9.56:1 contrast (WCAG AA passes).

Color values

HEX	#2B39A0
RGB	rgb(43, 57, 160)
HSL	hsl(233, 58%, 40%)
HSV	hsv(233, 73%, 63%)
CMYK	cmyk(73.1%, 64.4%, 0%, 37.3%)
CIE-LAB	lab(29.35, 30.72, -57.41)
CIE-LCH	lch(29.35, 65.11, 298.15°)
OKLab	oklab(40.32% 0.0024 -0.1659)
OKLCH	oklch(40.32% 0.166 270.8)
XYZ	xyz(8.8024, 5.9770, 33.9407)
Luminance	0.0598 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B39A0 #A0922B

analogous

#2B73A0 #2B39A0 #582BA0

triadic

#2B39A0 #A02B39 #39A02B

tetradic

#2B39A0 #A02B73 #A0922B #2BA058

square

#2B39A0 #A02B73 #A0922B #2BA058

split-complementary

#2B39A0 #A0582B #73A02B

monochromatic

#111740 #1E2870 #2B39A0 #3D4ECB #6E7AD8

Accessibility & contrast

On white

9.56

#2B39A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#2B39A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B39A0

9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B39A0	#FFFFFF	#000000	##FFFFFF
##2B39A0	1.00	9.56	2.20	9.56
#FFFFFF	9.56	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA3

Deuteranopia (green-blind)

#00409E

Tritanopia (blue-blind)

#005467

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2b39a0;
/* rgb */ color: rgb(43, 57, 160);
/* oklch */ color: oklch(40.3% 0.166 270.8);

Tailwind

colors: {
  custom: {
    50: '#766fbd',
    500: '#2b39a0',
    950: '#000000',
  },
}

SCSS

$custom: #2b39a0;
$custom-light: #766fbd;
$custom-dark: #000000;

JSON

{
  "hex": "#2b39a0",
  "rgb": {
    "r": 43,
    "g": 57,
    "b": 160
  },
  "hsl": {
    "h": 232.821,
    "s": 57.635,
    "l": 39.804
  },
  "oklch": {
    "l": 0.40321,
    "c": 0.16589,
    "h": 270.8
  },
  "luminance": 0.05978
}

Semantic roles & 50–950 ramp

primary

#2B39A0

secondary

#BFB468

accent

#CE47E1

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2B39A0

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

Preview Lab → · Contrast checker → · Palette generator →