#2339B0#2339B0

#2339B0 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.5% C 0.189 H 268.1°. Best body text is #FFFFFF at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#2339B0
RGB	rgb(35, 57, 176)
HSL	hsl(231, 67%, 41%)
HSV	hsv(231, 80%, 69%)
CMYK	cmyk(80.1%, 67.6%, 0%, 31%)
CIE-LAB	lab(30.44, 35.79, -65.26)
CIE-LCH	lch(30.44, 74.43, 298.74°)
OKLab	oklab(41.46% -0.0062 -0.189)
OKLCH	oklch(41.46% 0.189 268.1)
XYZ	xyz(9.9900, 6.4170, 41.7780)
Luminance	0.0642 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2339B0 #B09A23

analogous

#2380B0 #2339B0 #5423B0

triadic

#2339B0 #B02339 #39B023

tetradic

#2339B0 #B02380 #B09A23 #23B054

square

#2339B0 #B02380 #B09A23 #23B054

split-complementary

#2339B0 #B05423 #80B023

monochromatic

#0F184A #19287D #2339B0 #3951D8 #6C7EE2

Accessibility & contrast

On white

9.20

#2339B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#2339B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2339B0

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2339B0	#FFFFFF	#000000	##FFFFFF
##2339B0	1.00	9.20	2.28	9.20
#FFFFFF	9.20	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB4

Deuteranopia (green-blind)

#0041AE

Tritanopia (blue-blind)

#00596F

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2339b0;
/* rgb */ color: rgb(35, 57, 176);
/* oklch */ color: oklch(41.5% 0.189 268.1);

Tailwind

colors: {
  custom: {
    50: '#776fc9',
    500: '#2339b0',
    950: '#000000',
  },
}

SCSS

$custom: #2339b0;
$custom-light: #776fc9;
$custom-dark: #000000;

JSON

{
  "hex": "#2339b0",
  "rgb": {
    "r": 35,
    "g": 57,
    "b": 176
  },
  "hsl": {
    "h": 230.638,
    "s": 66.825,
    "l": 41.373
  },
  "oklch": {
    "l": 0.41461,
    "c": 0.18909,
    "h": 268.1
  },
  "luminance": 0.06418
}

Semantic roles & 50–950 ramp

primary

#2339B0

secondary

#C8B967

accent

#CF3EEA

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2339B0

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

Preview Lab → · Contrast checker → · Palette generator →