#2B40AD#2B40AD

#2B40AD is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.8% C 0.175 H 269.1°. Best body text is #FFFFFF at 8.61:1 contrast (WCAG AA passes).

Color values

HEX	#2B40AD
RGB	rgb(43, 64, 173)
HSL	hsl(230, 60%, 42%)
HSV	hsv(230, 75%, 68%)
CMYK	cmyk(75.1%, 63%, 0%, 32.2%)
CIE-LAB	lab(32.25, 30.94, -60.49)
CIE-LCH	lch(32.25, 67.95, 297.09°)
OKLab	oklab(42.81% -0.0028 -0.1748)
OKLCH	oklch(42.81% 0.175 269.1)
XYZ	xyz(10.3699, 7.1964, 40.3696)
Luminance	0.0720 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B40AD #AD982B

analogous

#2B81AD #2B40AD #572BAD

triadic

#2B40AD #AD2B40 #40AD2B

tetradic

#2B40AD #AD2B81 #AD982B #2BAD57

square

#2B40AD #AD2B81 #AD982B #2BAD57

split-complementary

#2B40AD #AD572B #81AD2B

monochromatic

#131C4B #1F2E7C #2B40AD #455BD1 #7686DD

Accessibility & contrast

On white

8.61

#2B40AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#2B40AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B40AD

8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B40AD	#FFFFFF	#000000	##FFFFFF
##2B40AD	1.00	8.61	2.44	8.61
#FFFFFF	8.61	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B1

Deuteranopia (green-blind)

#0046AB

Tritanopia (blue-blind)

#005C70

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2b40ad;
/* rgb */ color: rgb(43, 64, 173);
/* oklch */ color: oklch(42.8% 0.175 269.1);

Tailwind

colors: {
  custom: {
    50: '#7874c6',
    500: '#2b40ad',
    950: '#000000',
  },
}

SCSS

$custom: #2b40ad;
$custom-light: #7874c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2b40ad",
  "rgb": {
    "r": 43,
    "g": 64,
    "b": 173
  },
  "hsl": {
    "h": 230.308,
    "s": 60.185,
    "l": 42.353
  },
  "oklch": {
    "l": 0.42805,
    "c": 0.17485,
    "h": 269.1
  },
  "luminance": 0.07198
}

Semantic roles & 50–950 ramp

primary

#2B40AD

secondary

#C4B76F

accent

#CA44E3

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2B40AD

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

Preview Lab → · Contrast checker → · Palette generator →