#2B41B3#2B41B3

#2B41B3 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.5% C 0.182 H 268.8°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#2B41B3
RGB	rgb(43, 65, 179)
HSL	hsl(230, 61%, 44%)
HSV	hsv(230, 76%, 70%)
CMYK	cmyk(76%, 63.7%, 0%, 29.8%)
CIE-LAB	lab(33.02, 32.51, -62.80)
CIE-LCH	lch(33.02, 70.71, 297.37°)
OKLab	oklab(43.54% -0.0036 -0.1816)
OKLCH	oklch(43.54% 0.182 268.8)
XYZ	xyz(11.0204, 7.5477, 43.5151)
Luminance	0.0755 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B41B3 #B39D2B

analogous

#2B85B3 #2B41B3 #592BB3

triadic

#2B41B3 #B32B41 #41B32B

tetradic

#2B41B3 #B32B85 #B39D2B #2BB359

square

#2B41B3 #B32B85 #B39D2B #2BB359

split-complementary

#2B41B3 #B3592B #85B32B

monochromatic

#131D50 #1F2F82 #2B41B3 #485FD3 #798ADF

Accessibility & contrast

On white

8.37

#2B41B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#2B41B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B41B3

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B41B3	#FFFFFF	#000000	##FFFFFF
##2B41B3	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)

#0054B7

Deuteranopia (green-blind)

#0047B1

Tritanopia (blue-blind)

#005F74

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2b41b3;
/* rgb */ color: rgb(43, 65, 179);
/* oklch */ color: oklch(43.5% 0.182 268.8);

Tailwind

colors: {
  custom: {
    50: '#7975cb',
    500: '#2b41b3',
    950: '#000000',
  },
}

SCSS

$custom: #2b41b3;
$custom-light: #7975cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2b41b3",
  "rgb": {
    "r": 43,
    "g": 65,
    "b": 179
  },
  "hsl": {
    "h": 230.294,
    "s": 61.261,
    "l": 43.529
  },
  "oklch": {
    "l": 0.43535,
    "c": 0.18162,
    "h": 268.8
  },
  "luminance": 0.07549
}

Semantic roles & 50–950 ramp

primary

#2B41B3

secondary

#C7B973

accent

#CA43E4

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2B41B3

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

Preview Lab → · Contrast checker → · Palette generator →