#2B42B0#2B42B0

#2B42B0 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.4% C 0.176 H 268.6°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#2B42B0
RGB	rgb(43, 66, 176)
HSL	hsl(230, 61%, 43%)
HSV	hsv(230, 76%, 69%)
CMYK	cmyk(75.6%, 62.5%, 0%, 31%)
CIE-LAB	lab(33.01, 30.75, -61.03)
CIE-LCH	lch(33.01, 68.34, 296.74°)
OKLab	oklab(43.45% -0.0042 -0.1764)
OKLCH	oklch(43.45% 0.176 268.6)
XYZ	xyz(10.7782, 7.5434, 41.9539)
Luminance	0.0755 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B42B0 #B0992B

analogous

#2B84B0 #2B42B0 #562BB0

triadic

#2B42B0 #B02B42 #42B02B

tetradic

#2B42B0 #B02B84 #B0992B #2BB056

square

#2B42B0 #B02B84 #B0992B #2BB056

split-complementary

#2B42B0 #B0562B #84B02B

monochromatic

#131D4E #1F307F #2B42B0 #465ED2 #7889DE

Accessibility & contrast

On white

8.37

#2B42B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#2B42B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B42B0

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B42B0	#FFFFFF	#000000	##FFFFFF
##2B42B0	1.00	8.37	2.51	8.37
#FFFFFF	8.37	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B4

Deuteranopia (green-blind)

#0048AE

Tritanopia (blue-blind)

#005E72

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2b42b0;
/* rgb */ color: rgb(43, 66, 176);
/* oklch */ color: oklch(43.4% 0.176 268.6);

Tailwind

colors: {
  custom: {
    50: '#7976c9',
    500: '#2b42b0',
    950: '#000000',
  },
}

SCSS

$custom: #2b42b0;
$custom-light: #7976c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b42b0",
  "rgb": {
    "r": 43,
    "g": 66,
    "b": 176
  },
  "hsl": {
    "h": 229.624,
    "s": 60.731,
    "l": 42.941
  },
  "oklch": {
    "l": 0.43448,
    "c": 0.17644,
    "h": 268.6
  },
  "luminance": 0.07545
}

Semantic roles & 50–950 ramp

primary

#2B42B0

secondary

#C6B771

accent

#C844E4

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2B42B0

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

Preview Lab → · Contrast checker → · Palette generator →