#2839A5#2839A5

#2839A5 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.6% C 0.173 H 269.7°. Best body text is #FFFFFF at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#2839A5
RGB	rgb(40, 57, 165)
HSL	hsl(232, 61%, 40%)
HSV	hsv(232, 76%, 65%)
CMYK	cmyk(75.8%, 65.5%, 0%, 35.3%)
CIE-LAB	lab(29.65, 32.22, -59.96)
CIE-LCH	lch(29.65, 68.07, 298.25°)
OKLab	oklab(40.63% -0.0009 -0.1734)
OKLCH	oklch(40.63% 0.173 269.7)
XYZ	xyz(9.1274, 6.0930, 36.2850)
Luminance	0.0609 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2839A5 #A59428

analogous

#2877A5 #2839A5 #5528A5

triadic

#2839A5 #A52839 #39A528

tetradic

#2839A5 #A52877 #A59428 #28A555

square

#2839A5 #A52877 #A59428 #28A555

split-complementary

#2839A5 #A55528 #77A528

monochromatic

#101742 #1C2874 #2839A5 #3B4FCF #6C7BDB

Accessibility & contrast

On white

9.46

#2839A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#2839A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2839A5

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2839A5	#FFFFFF	#000000	##FFFFFF
##2839A5	1.00	9.46	2.22	9.46
#FFFFFF	9.46	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA8

Deuteranopia (green-blind)

#0040A3

Tritanopia (blue-blind)

#00566A

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2839a5;
/* rgb */ color: rgb(40, 57, 165);
/* oklch */ color: oklch(40.6% 0.173 269.7);

Tailwind

colors: {
  custom: {
    50: '#766fc1',
    500: '#2839a5',
    950: '#000000',
  },
}

SCSS

$custom: #2839a5;
$custom-light: #766fc1;
$custom-dark: #000000;

JSON

{
  "hex": "#2839a5",
  "rgb": {
    "r": 40,
    "g": 57,
    "b": 165
  },
  "hsl": {
    "h": 231.84,
    "s": 60.976,
    "l": 40.196
  },
  "oklch": {
    "l": 0.4063,
    "c": 0.1734,
    "h": 269.7
  },
  "luminance": 0.06094
}

Semantic roles & 50–950 ramp

primary

#2839A5

secondary

#C2B667

accent

#CE44E4

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2839A5

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

Preview Lab → · Contrast checker → · Palette generator →