#2D39B1#2D39B1

#2D39B1 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.0% C 0.188 H 271.0°. Best body text is #FFFFFF at 9.01:1 contrast (WCAG AA passes).

Color values

HEX	#2D39B1
RGB	rgb(45, 57, 177)
HSL	hsl(235, 59%, 44%)
HSV	hsv(235, 75%, 69%)
CMYK	cmyk(74.6%, 67.8%, 0%, 30.6%)
CIE-LAB	lab(31.01, 37.10, -64.90)
CIE-LCH	lch(31.01, 74.75, 299.76°)
OKLab	oklab(42.04% 0.0033 -0.1877)
OKLCH	oklch(42.04% 0.188 271)
XYZ	xyz(10.4784, 6.6574, 42.3192)
Luminance	0.0666 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D39B1 #B1A52D

analogous

#2D7BB1 #2D39B1 #632DB1

triadic

#2D39B1 #B12D39 #39B12D

tetradic

#2D39B1 #B12D7B #B1A52D #2DB163

square

#2D39B1 #B12D7B #B1A52D #2DB163

split-complementary

#2D39B1 #B1632D #7BB12D

monochromatic

#141A4F #212980 #2D39B1 #4A56D1 #7B84DD

Accessibility & contrast

On white

9.01

#2D39B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#2D39B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D39B1

9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D39B1	#FFFFFF	#000000	##FFFFFF
##2D39B1	1.00	9.01	2.33	9.01
#FFFFFF	9.01	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB5

Deuteranopia (green-blind)

#0043AF

Tritanopia (blue-blind)

#005970

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2d39b1;
/* rgb */ color: rgb(45, 57, 177);
/* oklch */ color: oklch(42.0% 0.188 271.0);

Tailwind

colors: {
  custom: {
    50: '#7a70c9',
    500: '#2d39b1',
    950: '#000000',
  },
}

SCSS

$custom: #2d39b1;
$custom-light: #7a70c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2d39b1",
  "rgb": {
    "r": 45,
    "g": 57,
    "b": 177
  },
  "hsl": {
    "h": 234.545,
    "s": 59.459,
    "l": 43.529
  },
  "oklch": {
    "l": 0.42037,
    "c": 0.18776,
    "h": 271
  },
  "luminance": 0.06658
}

Semantic roles & 50–950 ramp

primary

#2D39B1

secondary

#C6BE74

accent

#D445E3

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2D39B1

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

Preview Lab → · Contrast checker → · Palette generator →