#2B40AC#2B40AC

#2B40AC is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.7% C 0.174 H 269.1°. Best body text is #FFFFFF at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#2B40AC
RGB	rgb(43, 64, 172)
HSL	hsl(230, 60%, 42%)
HSV	hsv(230, 75%, 67%)
CMYK	cmyk(75%, 62.8%, 0%, 32.5%)
CIE-LAB	lab(32.16, 30.57, -60.03)
CIE-LCH	lch(32.16, 67.37, 296.99°)
OKLab	oklab(42.71% -0.0028 -0.1735)
OKLCH	oklch(42.71% 0.174 269.1)
XYZ	xyz(10.2735, 7.1578, 39.8619)
Luminance	0.0716 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B40AC #AC972B

analogous

#2B80AC #2B40AC #572BAC

triadic

#2B40AC #AC2B40 #40AC2B

tetradic

#2B40AC #AC2B80 #AC972B #2BAC57

square

#2B40AC #AC2B80 #AC972B #2BAC57

split-complementary

#2B40AC #AC572B #80AC2B

monochromatic

#131C4A #1F2E7B #2B40AC #445BD0 #7586DC

Accessibility & contrast

On white

8.64

#2B40AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#2B40AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B40AC

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B40AC	#FFFFFF	#000000	##FFFFFF
##2B40AC	1.00	8.64	2.43	8.64
#FFFFFF	8.64	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B0

Deuteranopia (green-blind)

#0046AA

Tritanopia (blue-blind)

#005C70

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2b40ac;
/* rgb */ color: rgb(43, 64, 172);
/* oklch */ color: oklch(42.7% 0.174 269.1);

Tailwind

colors: {
  custom: {
    50: '#7874c6',
    500: '#2b40ac',
    950: '#000000',
  },
}

SCSS

$custom: #2b40ac;
$custom-light: #7874c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2b40ac",
  "rgb": {
    "r": 43,
    "g": 64,
    "b": 172
  },
  "hsl": {
    "h": 230.233,
    "s": 60,
    "l": 42.157
  },
  "oklch": {
    "l": 0.42714,
    "c": 0.17351,
    "h": 269.1
  },
  "luminance": 0.07159
}

Semantic roles & 50–950 ramp

primary

#2B40AC

secondary

#C4B66F

accent

#C945E3

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2B40AC

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

Preview Lab → · Contrast checker → · Palette generator →