#2A42B3#2A42B3

#2A42B3 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.7% C 0.181 H 268.4°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#2A42B3
RGB	rgb(42, 66, 179)
HSL	hsl(229, 62%, 43%)
HSV	hsv(229, 77%, 70%)
CMYK	cmyk(76.5%, 63.1%, 0%, 29.8%)
CIE-LAB	lab(33.23, 31.75, -62.47)
CIE-LCH	lch(33.23, 70.07, 296.95°)
OKLab	oklab(43.67% -0.0052 -0.1806)
OKLCH	oklch(43.67% 0.181 268.4)
XYZ	xyz(11.0369, 7.6421, 43.5325)
Luminance	0.0764 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A42B3 #B39B2A

analogous

#2A86B3 #2A42B3 #562AB3

triadic

#2A42B3 #B32A42 #42B32A

tetradic

#2A42B3 #B32A86 #B39B2A #2AB356

square

#2A42B3 #B32A86 #B39B2A #2AB356

split-complementary

#2A42B3 #B3562A #86B32A

monochromatic

#131D50 #1E3081 #2A42B3 #465FD4 #788ADF

Accessibility & contrast

On white

8.30

#2A42B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#2A42B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A42B3

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A42B3	#FFFFFF	#000000	##FFFFFF
##2A42B3	1.00	8.30	2.53	8.30
#FFFFFF	8.30	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B7

Deuteranopia (green-blind)

#0048B1

Tritanopia (blue-blind)

#005F74

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2a42b3;
/* rgb */ color: rgb(42, 66, 179);
/* oklch */ color: oklch(43.7% 0.181 268.4);

Tailwind

colors: {
  custom: {
    50: '#7976cb',
    500: '#2a42b3',
    950: '#000000',
  },
}

SCSS

$custom: #2a42b3;
$custom-light: #7976cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2a42b3",
  "rgb": {
    "r": 42,
    "g": 66,
    "b": 179
  },
  "hsl": {
    "h": 229.489,
    "s": 61.991,
    "l": 43.333
  },
  "oklch": {
    "l": 0.43673,
    "c": 0.18069,
    "h": 268.4
  },
  "luminance": 0.07643
}

Semantic roles & 50–950 ramp

primary

#2A42B3

secondary

#C7B872

accent

#C943E5

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2A42B3

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

Preview Lab → · Contrast checker → · Palette generator →