#2B42B1#2B42B1

#2B42B1 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.5% C 0.178 H 268.6°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#2B42B1
RGB	rgb(43, 66, 177)
HSL	hsl(230, 61%, 43%)
HSV	hsv(230, 76%, 69%)
CMYK	cmyk(75.7%, 62.7%, 0%, 30.6%)
CIE-LAB	lab(33.10, 31.12, -61.48)
CIE-LCH	lch(33.10, 68.91, 296.85°)
OKLab	oklab(43.54% -0.0042 -0.1777)
OKLCH	oklch(43.54% 0.178 268.6)
XYZ	xyz(10.8775, 7.5832, 42.4769)
Luminance	0.0758 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B42B1 #B19A2B

analogous

#2B85B1 #2B42B1 #572BB1

triadic

#2B42B1 #B12B42 #42B12B

tetradic

#2B42B1 #B12B85 #B19A2B #2BB157

square

#2B42B1 #B12B85 #B19A2B #2BB157

split-complementary

#2B42B1 #B1572B #85B12B

monochromatic

#131D4F #1F3080 #2B42B1 #475FD2 #788ADE

Accessibility & contrast

On white

8.34

#2B42B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#2B42B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B42B1

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B42B1	#FFFFFF	#000000	##FFFFFF
##2B42B1	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B5

Deuteranopia (green-blind)

#0048AF

Tritanopia (blue-blind)

#005F73

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2b42b1;
/* rgb */ color: rgb(43, 66, 177);
/* oklch */ color: oklch(43.5% 0.178 268.6);

Tailwind

colors: {
  custom: {
    50: '#7976c9',
    500: '#2b42b1',
    950: '#000000',
  },
}

SCSS

$custom: #2b42b1;
$custom-light: #7976c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b42b1",
  "rgb": {
    "r": 43,
    "g": 66,
    "b": 177
  },
  "hsl": {
    "h": 229.701,
    "s": 60.909,
    "l": 43.137
  },
  "oklch": {
    "l": 0.43538,
    "c": 0.17777,
    "h": 268.6
  },
  "luminance": 0.07584
}

Semantic roles & 50–950 ramp

primary

#2B42B1

secondary

#C6B872

accent

#C944E4

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2B42B1

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

Preview Lab → · Contrast checker → · Palette generator →