#2B39A3#2B39A3

#2B39A3 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.6% C 0.170 H 270.8°. Best body text is #FFFFFF at 9.47:1 contrast (WCAG AA passes).

Color values

HEX	#2B39A3
RGB	rgb(43, 57, 163)
HSL	hsl(233, 58%, 40%)
HSV	hsv(233, 74%, 64%)
CMYK	cmyk(73.6%, 65%, 0%, 36.1%)
CIE-LAB	lab(29.62, 31.82, -58.79)
CIE-LCH	lch(29.62, 66.85, 298.43°)
OKLab	oklab(40.6% 0.0023 -0.1699)
OKLCH	oklch(40.6% 0.17 270.8)
XYZ	xyz(9.0680, 6.0833, 35.3395)
Luminance	0.0608 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B39A3 #A3952B

analogous

#2B75A3 #2B39A3 #592BA3

triadic

#2B39A3 #A32B39 #39A32B

tetradic

#2B39A3 #A32B75 #A3952B #2BA359

square

#2B39A3 #A32B75 #A3952B #2BA359

split-complementary

#2B39A3 #A3592B #75A32B

monochromatic

#111742 #1E2873 #2B39A3 #3F4FCC #6F7CD9

Accessibility & contrast

On white

9.47

#2B39A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#2B39A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B39A3

9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B39A3	#FFFFFF	#000000	##FFFFFF
##2B39A3	1.00	9.47	2.22	9.47
#FFFFFF	9.47	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA6

Deuteranopia (green-blind)

#0040A1

Tritanopia (blue-blind)

#005568

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2b39a3;
/* rgb */ color: rgb(43, 57, 163);
/* oklch */ color: oklch(40.6% 0.170 270.8);

Tailwind

colors: {
  custom: {
    50: '#766fbf',
    500: '#2b39a3',
    950: '#000000',
  },
}

SCSS

$custom: #2b39a3;
$custom-light: #766fbf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b39a3",
  "rgb": {
    "r": 43,
    "g": 57,
    "b": 163
  },
  "hsl": {
    "h": 233,
    "s": 58.252,
    "l": 40.392
  },
  "oklch": {
    "l": 0.40599,
    "c": 0.16992,
    "h": 270.8
  },
  "luminance": 0.06084
}

Semantic roles & 50–950 ramp

primary

#2B39A3

secondary

#C0B66A

accent

#CF46E1

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2B39A3

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

Preview Lab → · Contrast checker → · Palette generator →