#2A3AAF#2A3AAF

#2A3AAF is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.9% C 0.185 H 269.9°. Best body text is #FFFFFF at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#2A3AAF
RGB	rgb(42, 58, 175)
HSL	hsl(233, 61%, 43%)
HSV	hsv(233, 76%, 69%)
CMYK	cmyk(76%, 66.9%, 0%, 31.4%)
CIE-LAB	lab(30.91, 35.44, -63.89)
CIE-LCH	lch(30.91, 73.06, 299.02°)
OKLab	oklab(41.86% -0.0002 -0.1848)
OKLCH	oklch(41.86% 0.185 269.9)
XYZ	xyz(10.2031, 6.6124, 41.2877)
Luminance	0.0661 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.28

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3AAF #AF9F2A

analogous

#2A7CAF #2A3AAF #5D2AAF

triadic

#2A3AAF #AF2A3A #3AAF2A

tetradic

#2A3AAF #AF2A7C #AF9F2A #2AAF5D

square

#2A3AAF #AF2A7C #AF9F2A #2AAF5D

split-complementary

#2A3AAF #AF5D2A #7CAF2A

monochromatic

#12194C #1E2A7E #2A3AAF #4455D2 #7582DE

Accessibility & contrast

On white

9.04

#2A3AAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#2A3AAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3AAF

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3AAF	#FFFFFF	#000000	##FFFFFF
##2A3AAF	1.00	9.04	2.32	9.04
#FFFFFF	9.04	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB3

Deuteranopia (green-blind)

#0042AD

Tritanopia (blue-blind)

#00596F

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2a3aaf;
/* rgb */ color: rgb(42, 58, 175);
/* oklch */ color: oklch(41.9% 0.185 269.9);

Tailwind

colors: {
  custom: {
    50: '#7970c8',
    500: '#2a3aaf',
    950: '#000000',
  },
}

SCSS

$custom: #2a3aaf;
$custom-light: #7970c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3aaf",
  "rgb": {
    "r": 42,
    "g": 58,
    "b": 175
  },
  "hsl": {
    "h": 232.782,
    "s": 61.29,
    "l": 42.549
  },
  "oklch": {
    "l": 0.41861,
    "c": 0.18483,
    "h": 269.9
  },
  "luminance": 0.06613
}

Semantic roles & 50–950 ramp

primary

#2A3AAF

secondary

#C6BB6F

accent

#D143E4

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2A3AAF

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

Preview Lab → · Contrast checker → · Palette generator →