#2A3EB5#2A3EB5

#2A3EB5 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.1% C 0.188 H 269.1°. Best body text is #FFFFFF at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#2A3EB5
RGB	rgb(42, 62, 181)
HSL	hsl(231, 62%, 44%)
HSV	hsv(231, 77%, 71%)
CMYK	cmyk(76.8%, 65.7%, 0%, 29%)
CIE-LAB	lab(32.42, 35.07, -64.97)
CIE-LCH	lch(32.42, 73.83, 298.36°)
OKLab	oklab(43.13% -0.0029 -0.188)
OKLCH	oklch(43.13% 0.188 269.1)
XYZ	xyz(11.0151, 7.2725, 44.5303)
Luminance	0.0727 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3EB5 #B5A12A

analogous

#2A83B5 #2A3EB5 #5B2AB5

triadic

#2A3EB5 #B52A3E #3EB52A

tetradic

#2A3EB5 #B52A83 #B5A12A #2AB55B

square

#2A3EB5 #B52A83 #B5A12A #2AB55B

split-complementary

#2A3EB5 #B55B2A #83B52A

monochromatic

#131C52 #1E2D83 #2A3EB5 #485CD4 #7988E0

Accessibility & contrast

On white

8.55

#2A3EB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#2A3EB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3EB5

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3EB5	#FFFFFF	#000000	##FFFFFF
##2A3EB5	1.00	8.55	2.45	8.55
#FFFFFF	8.55	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B9

Deuteranopia (green-blind)

#0046B3

Tritanopia (blue-blind)

#005E74

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2a3eb5;
/* rgb */ color: rgb(42, 62, 181);
/* oklch */ color: oklch(43.1% 0.188 269.1);

Tailwind

colors: {
  custom: {
    50: '#7a73cc',
    500: '#2a3eb5',
    950: '#000000',
  },
}

SCSS

$custom: #2a3eb5;
$custom-light: #7a73cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3eb5",
  "rgb": {
    "r": 42,
    "g": 62,
    "b": 181
  },
  "hsl": {
    "h": 231.367,
    "s": 62.332,
    "l": 43.725
  },
  "oklch": {
    "l": 0.43134,
    "c": 0.18801,
    "h": 269.1
  },
  "luminance": 0.07274
}

Semantic roles & 50–950 ramp

primary

#2A3EB5

secondary

#C8BC73

accent

#CE42E5

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2A3EB5

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

Preview Lab → · Contrast checker → · Palette generator →