#2839A1#2839A1

#2839A1 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.3% C 0.168 H 269.8°. Best body text is #FFFFFF at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#2839A1
RGB	rgb(40, 57, 161)
HSL	hsl(232, 60%, 39%)
HSV	hsv(232, 75%, 63%)
CMYK	cmyk(75.2%, 64.6%, 0%, 36.9%)
CIE-LAB	lab(29.29, 30.74, -58.14)
CIE-LCH	lch(29.29, 65.76, 297.87°)
OKLab	oklab(40.25% -0.0007 -0.1681)
OKLCH	oklch(40.25% 0.168 269.8)
XYZ	xyz(8.7690, 5.9496, 34.3976)
Luminance	0.0595 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2839A1 #A19028

analogous

#2876A1 #2839A1 #5328A1

triadic

#2839A1 #A12839 #39A128

tetradic

#2839A1 #A12876 #A19028 #28A153

square

#2839A1 #A12876 #A19028 #28A153

split-complementary

#2839A1 #A15328 #76A128

monochromatic

#10163F #1C2870 #2839A1 #394DCE #6A79DA

Accessibility & contrast

On white

9.59

#2839A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#2839A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2839A1

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2839A1	#FFFFFF	#000000	##FFFFFF
##2839A1	1.00	9.59	2.19	9.59
#FFFFFF	9.59	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA4

Deuteranopia (green-blind)

#003F9F

Tritanopia (blue-blind)

#005467

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2839a1;
/* rgb */ color: rgb(40, 57, 161);
/* oklch */ color: oklch(40.3% 0.168 269.8);

Tailwind

colors: {
  custom: {
    50: '#756fbe',
    500: '#2839a1',
    950: '#000000',
  },
}

SCSS

$custom: #2839a1;
$custom-light: #756fbe;
$custom-dark: #000000;

JSON

{
  "hex": "#2839a1",
  "rgb": {
    "r": 40,
    "g": 57,
    "b": 161
  },
  "hsl": {
    "h": 231.57,
    "s": 60.199,
    "l": 39.412
  },
  "oklch": {
    "l": 0.40254,
    "c": 0.16806,
    "h": 269.8
  },
  "luminance": 0.05951
}

Semantic roles & 50–950 ramp

primary

#2839A1

secondary

#C0B365

accent

#CD44E3

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2839A1

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

Preview Lab → · Contrast checker → · Palette generator →