#2A3DB0#2A3DB0

#2A3DB0 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.5% C 0.183 H 269.4°. Best body text is #FFFFFF at 8.78:1 contrast (WCAG AA passes).

Color values

HEX	#2A3DB0
RGB	rgb(42, 61, 176)
HSL	hsl(231, 61%, 43%)
HSV	hsv(231, 76%, 69%)
CMYK	cmyk(76.1%, 65.3%, 0%, 31%)
CIE-LAB	lab(31.72, 33.89, -63.14)
CIE-LCH	lch(31.72, 71.66, 298.22°)
OKLab	oklab(42.49% -0.002 -0.1826)
OKLCH	oklch(42.49% 0.183 269.4)
XYZ	xyz(10.4574, 6.9632, 41.8588)
Luminance	0.0696 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3DB0 #B09D2A

analogous

#2A80B0 #2A3DB0 #5A2AB0

triadic

#2A3DB0 #B02A3D #3DB02A

tetradic

#2A3DB0 #B02A80 #B09D2A #2AB05A

square

#2A3DB0 #B02A80 #B09D2A #2AB05A

split-complementary

#2A3DB0 #B05A2A #80B02A

monochromatic

#121B4D #1E2C7F #2A3DB0 #4559D3 #7685DE

Accessibility & contrast

On white

8.78

#2A3DB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#2A3DB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3DB0

8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3DB0	#FFFFFF	#000000	##FFFFFF
##2A3DB0	1.00	8.78	2.39	8.78
#FFFFFF	8.78	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B4

Deuteranopia (green-blind)

#0044AE

Tritanopia (blue-blind)

#005B71

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2a3db0;
/* rgb */ color: rgb(42, 61, 176);
/* oklch */ color: oklch(42.5% 0.183 269.4);

Tailwind

colors: {
  custom: {
    50: '#7972c9',
    500: '#2a3db0',
    950: '#000000',
  },
}

SCSS

$custom: #2a3db0;
$custom-light: #7972c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3db0",
  "rgb": {
    "r": 42,
    "g": 61,
    "b": 176
  },
  "hsl": {
    "h": 231.493,
    "s": 61.468,
    "l": 42.745
  },
  "oklch": {
    "l": 0.42485,
    "c": 0.18266,
    "h": 269.4
  },
  "luminance": 0.06964
}

Semantic roles & 50–950 ramp

primary

#2A3DB0

secondary

#C6BA70

accent

#CE43E5

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2A3DB0

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

Preview Lab → · Contrast checker → · Palette generator →