#2A3CAF#2A3CAF

#2A3CAF is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.2% C 0.183 H 269.6°. Best body text is #FFFFFF at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#2A3CAF
RGB	rgb(42, 60, 175)
HSL	hsl(232, 61%, 43%)
HSV	hsv(232, 76%, 69%)
CMYK	cmyk(76%, 65.7%, 0%, 31.4%)
CIE-LAB	lab(31.39, 34.16, -63.10)
CIE-LCH	lch(31.39, 71.75, 298.43°)
OKLab	oklab(42.21% -0.0013 -0.1825)
OKLCH	oklch(42.21% 0.183 269.6)
XYZ	xyz(10.3059, 6.8180, 41.3220)
Luminance	0.0682 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3CAF #AF9D2A

analogous

#2A7EAF #2A3CAF #5B2AAF

triadic

#2A3CAF #AF2A3C #3CAF2A

tetradic

#2A3CAF #AF2A7E #AF9D2A #2AAF5B

square

#2A3CAF #AF2A7E #AF9D2A #2AAF5B

split-complementary

#2A3CAF #AF5B2A #7EAF2A

monochromatic

#121A4C #1E2B7E #2A3CAF #4457D2 #7584DE

Accessibility & contrast

On white

8.88

#2A3CAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#2A3CAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3CAF

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3CAF	#FFFFFF	#000000	##FFFFFF
##2A3CAF	1.00	8.88	2.36	8.88
#FFFFFF	8.88	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B3

Deuteranopia (green-blind)

#0044AD

Tritanopia (blue-blind)

#005B70

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2a3caf;
/* rgb */ color: rgb(42, 60, 175);
/* oklch */ color: oklch(42.2% 0.183 269.6);

Tailwind

colors: {
  custom: {
    50: '#7971c8',
    500: '#2a3caf',
    950: '#000000',
  },
}

SCSS

$custom: #2a3caf;
$custom-light: #7971c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3caf",
  "rgb": {
    "r": 42,
    "g": 60,
    "b": 175
  },
  "hsl": {
    "h": 231.88,
    "s": 61.29,
    "l": 42.549
  },
  "oklch": {
    "l": 0.42213,
    "c": 0.18251,
    "h": 269.6
  },
  "luminance": 0.06819
}

Semantic roles & 50–950 ramp

primary

#2A3CAF

secondary

#C6BA6F

accent

#CF43E4

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2A3CAF

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

Preview Lab → · Contrast checker → · Palette generator →