#2943AB#2943AB

#2943AB is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.1% C 0.169 H 267.7°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#2943AB
RGB	rgb(41, 67, 171)
HSL	hsl(228, 61%, 42%)
HSV	hsv(228, 76%, 67%)
CMYK	cmyk(76%, 60.8%, 0%, 32.9%)
CIE-LAB	lab(32.76, 27.99, -58.47)
CIE-LCH	lch(32.76, 64.83, 295.58°)
OKLab	oklab(43.1% -0.0067 -0.1689)
OKLCH	oklch(43.1% 0.169 267.7)
XYZ	xyz(10.2697, 7.4249, 39.4121)
Luminance	0.0743 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2943AB #AB9129

analogous

#2984AB #2943AB #5029AB

triadic

#2943AB #AB2943 #43AB29

tetradic

#2943AB #AB2984 #AB9129 #29AB50

square

#2943AB #AB2984 #AB9129 #29AB50

split-complementary

#2943AB #AB5029 #84AB29

monochromatic

#111C48 #1D307A #2943AB #405DD1 #7187DD

Accessibility & contrast

On white

8.45

#2943AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#2943AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2943AB

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2943AB	#FFFFFF	#000000	##FFFFFF
##2943AB	1.00	8.45	2.49	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053AE

Deuteranopia (green-blind)

#0047A9

Tritanopia (blue-blind)

#005D70

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2943ab;
/* rgb */ color: rgb(41, 67, 171);
/* oklch */ color: oklch(43.1% 0.169 267.7);

Tailwind

colors: {
  custom: {
    50: '#7776c5',
    500: '#2943ab',
    950: '#000000',
  },
}

SCSS

$custom: #2943ab;
$custom-light: #7776c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2943ab",
  "rgb": {
    "r": 41,
    "g": 67,
    "b": 171
  },
  "hsl": {
    "h": 228,
    "s": 61.321,
    "l": 41.569
  },
  "oklch": {
    "l": 0.43101,
    "c": 0.16905,
    "h": 267.7
  },
  "luminance": 0.07426
}

Semantic roles & 50–950 ramp

primary

#2943AB

secondary

#C4B26C

accent

#C443E4

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2943AB

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

Preview Lab → · Contrast checker → · Palette generator →