#2A43A8#2A43A8

#2A43A8 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.9% C 0.165 H 268.0°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#2A43A8
RGB	rgb(42, 67, 168)
HSL	hsl(228, 60%, 41%)
HSV	hsv(228, 75%, 66%)
CMYK	cmyk(75%, 60.1%, 0%, 34.1%)
CIE-LAB	lab(32.55, 26.98, -57.01)
CIE-LCH	lch(32.55, 63.07, 295.33°)
OKLab	oklab(42.89% -0.0058 -0.1646)
OKLCH	oklch(42.89% 0.165 268)
XYZ	xyz(10.0274, 7.3326, 37.9251)
Luminance	0.0733 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A43A8 #A88F2A

analogous

#2A82A8 #2A43A8 #502AA8

triadic

#2A43A8 #A82A43 #43A82A

tetradic

#2A43A8 #A82A82 #A88F2A #2AA850

square

#2A43A8 #A82A82 #A88F2A #2AA850

split-complementary

#2A43A8 #A8502A #82A82A

monochromatic

#121C46 #1E2F77 #2A43A8 #405CCF #7186DB

Accessibility & contrast

On white

8.51

#2A43A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#2A43A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A43A8

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A43A8	#FFFFFF	#000000	##FFFFFF
##2A43A8	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053AB

Deuteranopia (green-blind)

#0047A6

Tritanopia (blue-blind)

#005C6F

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2a43a8;
/* rgb */ color: rgb(42, 67, 168);
/* oklch */ color: oklch(42.9% 0.165 268.0);

Tailwind

colors: {
  custom: {
    50: '#7676c3',
    500: '#2a43a8',
    950: '#000000',
  },
}

SCSS

$custom: #2a43a8;
$custom-light: #7676c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2a43a8",
  "rgb": {
    "r": 42,
    "g": 67,
    "b": 168
  },
  "hsl": {
    "h": 228.095,
    "s": 60,
    "l": 41.176
  },
  "oklch": {
    "l": 0.42885,
    "c": 0.1647,
    "h": 268
  },
  "luminance": 0.07334
}

Semantic roles & 50–950 ramp

primary

#2A43A8

secondary

#C3B16B

accent

#C445E3

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2A43A8

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

Preview Lab → · Contrast checker → · Palette generator →