#2B41B1#2B41B1

#2B41B1 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.4% C 0.179 H 268.9°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#2B41B1
RGB	rgb(43, 65, 177)
HSL	hsl(230, 61%, 43%)
HSV	hsv(230, 76%, 69%)
CMYK	cmyk(75.7%, 63.3%, 0%, 30.6%)
CIE-LAB	lab(32.85, 31.77, -61.89)
CIE-LCH	lch(32.85, 69.57, 297.17°)
OKLab	oklab(43.35% -0.0036 -0.1789)
OKLCH	oklch(43.35% 0.179 268.9)
XYZ	xyz(10.8196, 7.4673, 42.4576)
Luminance	0.0747 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B41B1 #B19B2B

analogous

#2B84B1 #2B41B1 #582BB1

triadic

#2B41B1 #B12B41 #41B12B

tetradic

#2B41B1 #B12B84 #B19B2B #2BB158

square

#2B41B1 #B12B84 #B19B2B #2BB158

split-complementary

#2B41B1 #B1582B #84B12B

monochromatic

#131D4F #1F2F80 #2B41B1 #475ED2 #7889DE

Accessibility & contrast

On white

8.42

#2B41B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#2B41B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B41B1

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B41B1	#FFFFFF	#000000	##FFFFFF
##2B41B1	1.00	8.42	2.49	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B5

Deuteranopia (green-blind)

#0047AF

Tritanopia (blue-blind)

#005E73

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2b41b1;
/* rgb */ color: rgb(43, 65, 177);
/* oklch */ color: oklch(43.4% 0.179 268.9);

Tailwind

colors: {
  custom: {
    50: '#7975c9',
    500: '#2b41b1',
    950: '#000000',
  },
}

SCSS

$custom: #2b41b1;
$custom-light: #7975c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b41b1",
  "rgb": {
    "r": 43,
    "g": 65,
    "b": 177
  },
  "hsl": {
    "h": 230.149,
    "s": 60.909,
    "l": 43.137
  },
  "oklch": {
    "l": 0.43353,
    "c": 0.17897,
    "h": 268.9
  },
  "luminance": 0.07469
}

Semantic roles & 50–950 ramp

primary

#2B41B1

secondary

#C6B872

accent

#CA44E4

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2B41B1

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

Preview Lab → · Contrast checker → · Palette generator →