#2139AF#2139AF

#2139AF is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.3% C 0.188 H 267.6°. Best body text is #FFFFFF at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#2139AF
RGB	rgb(33, 57, 175)
HSL	hsl(230, 68%, 41%)
HSV	hsv(230, 81%, 69%)
CMYK	cmyk(81.1%, 67.4%, 0%, 31.4%)
CIE-LAB	lab(30.26, 35.25, -64.96)
CIE-LCH	lch(30.26, 73.91, 298.49°)
OKLab	oklab(41.28% -0.0079 -0.1882)
OKLCH	oklch(41.28% 0.188 267.6)
XYZ	xyz(9.8255, 6.3436, 41.2557)
Luminance	0.0635 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2139AF #AF9721

analogous

#2180AF #2139AF #5021AF

triadic

#2139AF #AF2139 #39AF21

tetradic

#2139AF #AF2180 #AF9721 #21AF50

square

#2139AF #AF2180 #AF9721 #21AF50

split-complementary

#2139AF #AF5021 #80AF21

monochromatic

#0E1748 #17287C #2139AF #3450D9 #687DE3

Accessibility & contrast

On white

9.26

#2139AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#2139AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2139AF

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2139AF	#FFFFFF	#000000	##FFFFFF
##2139AF	1.00	9.26	2.27	9.26
#FFFFFF	9.26	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB3

Deuteranopia (green-blind)

#0041AD

Tritanopia (blue-blind)

#00596F

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2139af;
/* rgb */ color: rgb(33, 57, 175);
/* oklch */ color: oklch(41.3% 0.188 267.6);

Tailwind

colors: {
  custom: {
    50: '#766fc8',
    500: '#2139af',
    950: '#000000',
  },
}

SCSS

$custom: #2139af;
$custom-light: #766fc8;
$custom-dark: #000000;

JSON

{
  "hex": "#2139af",
  "rgb": {
    "r": 33,
    "g": 57,
    "b": 175
  },
  "hsl": {
    "h": 229.859,
    "s": 68.269,
    "l": 40.784
  },
  "oklch": {
    "l": 0.41279,
    "c": 0.18832,
    "h": 267.6
  },
  "luminance": 0.06345
}

Semantic roles & 50–950 ramp

primary

#2139AF

secondary

#C8B764

accent

#CE3DEB

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2139AF

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

Preview Lab → · Contrast checker → · Palette generator →