#2B3EAD#2B3EAD

#2B3EAD is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.4% C 0.177 H 269.5°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#2B3EAD
RGB	rgb(43, 62, 173)
HSL	hsl(231, 60%, 42%)
HSV	hsv(231, 75%, 68%)
CMYK	cmyk(75.1%, 64.2%, 0%, 32.2%)
CIE-LAB	lab(31.75, 32.25, -61.31)
CIE-LCH	lch(31.75, 69.27, 297.74°)
OKLab	oklab(42.44% -0.0015 -0.1772)
OKLCH	oklch(42.44% 0.177 269.5)
XYZ	xyz(10.2591, 6.9749, 40.3327)
Luminance	0.0698 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3EAD #AD9A2B

analogous

#2B7FAD #2B3EAD #592BAD

triadic

#2B3EAD #AD2B3E #3EAD2B

tetradic

#2B3EAD #AD2B7F #AD9A2B #2BAD59

square

#2B3EAD #AD2B7F #AD9A2B #2BAD59

split-complementary

#2B3EAD #AD592B #7FAD2B

monochromatic

#131B4B #1F2C7C #2B3EAD #4559D1 #7685DD

Accessibility & contrast

On white

8.77

#2B3EAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#2B3EAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3EAD

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3EAD	#FFFFFF	#000000	##FFFFFF
##2B3EAD	1.00	8.77	2.40	8.77
#FFFFFF	8.77	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B1

Deuteranopia (green-blind)

#0045AB

Tritanopia (blue-blind)

#005B6F

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2b3ead;
/* rgb */ color: rgb(43, 62, 173);
/* oklch */ color: oklch(42.4% 0.177 269.5);

Tailwind

colors: {
  custom: {
    50: '#7873c6',
    500: '#2b3ead',
    950: '#000000',
  },
}

SCSS

$custom: #2b3ead;
$custom-light: #7873c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3ead",
  "rgb": {
    "r": 43,
    "g": 62,
    "b": 173
  },
  "hsl": {
    "h": 231.231,
    "s": 60.185,
    "l": 42.353
  },
  "oklch": {
    "l": 0.42436,
    "c": 0.17725,
    "h": 269.5
  },
  "luminance": 0.06976
}

Semantic roles & 50–950 ramp

primary

#2B3EAD

secondary

#C4B86F

accent

#CC44E3

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2B3EAD

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

Preview Lab → · Contrast checker → · Palette generator →