#2839A3#2839A3

#2839A3 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.4% C 0.171 H 269.7°. Best body text is #FFFFFF at 9.53:1 contrast (WCAG AA passes).

Color values

HEX	#2839A3
RGB	rgb(40, 57, 163)
HSL	hsl(232, 61%, 40%)
HSV	hsv(232, 75%, 64%)
CMYK	cmyk(75.5%, 65%, 0%, 36.1%)
CIE-LAB	lab(29.46, 31.48, -59.05)
CIE-LCH	lch(29.46, 66.92, 298.06°)
OKLab	oklab(40.44% -0.0008 -0.1707)
OKLCH	oklch(40.44% 0.171 269.7)
XYZ	xyz(8.9468, 6.0208, 35.3338)
Luminance	0.0602 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2839A3 #A39228

analogous

#2877A3 #2839A3 #5428A3

triadic

#2839A3 #A32839 #39A328

tetradic

#2839A3 #A32877 #A39228 #28A354

square

#2839A3 #A32877 #A39228 #28A354

split-complementary

#2839A3 #A35428 #77A328

monochromatic

#101741 #1C2872 #2839A3 #3A4ECF #6B7ADB

Accessibility & contrast

On white

9.53

#2839A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#2839A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2839A3

9.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2839A3	#FFFFFF	#000000	##FFFFFF
##2839A3	1.00	9.53	2.20	9.53
#FFFFFF	9.53	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA6

Deuteranopia (green-blind)

#0040A1

Tritanopia (blue-blind)

#005568

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2839a3;
/* rgb */ color: rgb(40, 57, 163);
/* oklch */ color: oklch(40.4% 0.171 269.7);

Tailwind

colors: {
  custom: {
    50: '#756fbf',
    500: '#2839a3',
    950: '#000000',
  },
}

SCSS

$custom: #2839a3;
$custom-light: #756fbf;
$custom-dark: #000000;

JSON

{
  "hex": "#2839a3",
  "rgb": {
    "r": 40,
    "g": 57,
    "b": 163
  },
  "hsl": {
    "h": 231.707,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.40442,
    "c": 0.17074,
    "h": 269.7
  },
  "luminance": 0.06022
}

Semantic roles & 50–950 ramp

primary

#2839A3

secondary

#C1B466

accent

#CE44E4

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2839A3

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

Preview Lab → · Contrast checker → · Palette generator →