#2A3EAB#2A3EAB

#2A3EAB is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.2% C 0.175 H 269.2°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#2A3EAB
RGB	rgb(42, 62, 171)
HSL	hsl(231, 61%, 42%)
HSV	hsv(231, 75%, 67%)
CMYK	cmyk(75.4%, 63.7%, 0%, 32.9%)
CIE-LAB	lab(31.52, 31.40, -60.48)
CIE-LCH	lch(31.52, 68.15, 297.43°)
OKLab	oklab(42.2% -0.0024 -0.1748)
OKLCH	oklch(42.2% 0.175 269.2)
XYZ	xyz(10.0256, 6.8767, 39.3191)
Luminance	0.0688 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3EAB #AB972A

analogous

#2A7FAB #2A3EAB #572AAB

triadic

#2A3EAB #AB2A3E #3EAB2A

tetradic

#2A3EAB #AB2A7F #AB972A #2AAB57

square

#2A3EAB #AB2A7F #AB972A #2AAB57

split-complementary

#2A3EAB #AB572A #7FAB2A

monochromatic

#121A49 #1E2C7A #2A3EAB #4258D1 #7383DD

Accessibility & contrast

On white

8.84

#2A3EAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#2A3EAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3EAB

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3EAB	#FFFFFF	#000000	##FFFFFF
##2A3EAB	1.00	8.84	2.38	8.84
#FFFFFF	8.84	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050AF

Deuteranopia (green-blind)

#0044A9

Tritanopia (blue-blind)

#005A6E

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2a3eab;
/* rgb */ color: rgb(42, 62, 171);
/* oklch */ color: oklch(42.2% 0.175 269.2);

Tailwind

colors: {
  custom: {
    50: '#7773c5',
    500: '#2a3eab',
    950: '#000000',
  },
}

SCSS

$custom: #2a3eab;
$custom-light: #7773c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3eab",
  "rgb": {
    "r": 42,
    "g": 62,
    "b": 171
  },
  "hsl": {
    "h": 230.698,
    "s": 60.563,
    "l": 41.765
  },
  "oklch": {
    "l": 0.42203,
    "c": 0.17487,
    "h": 269.2
  },
  "luminance": 0.06878
}

Semantic roles & 50–950 ramp

primary

#2A3EAB

secondary

#C4B66D

accent

#CB44E4

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2A3EAB

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

Preview Lab → · Contrast checker → · Palette generator →