#2A3AAB#2A3AAB

#2A3AAB is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.5% C 0.180 H 270.0°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#2A3AAB
RGB	rgb(42, 58, 171)
HSL	hsl(233, 61%, 42%)
HSV	hsv(233, 75%, 67%)
CMYK	cmyk(75.4%, 66.1%, 0%, 32.9%)
CIE-LAB	lab(30.54, 33.99, -62.10)
CIE-LCH	lch(30.54, 70.79, 298.69°)
OKLab	oklab(41.48% 0.0001 -0.1796)
OKLCH	oklch(41.48% 0.18 270)
XYZ	xyz(9.8161, 6.4576, 39.2493)
Luminance	0.0646 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.70

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3AAB #AB9B2A

analogous

#2A7BAB #2A3AAB #5B2AAB

triadic

#2A3AAB #AB2A3A #3AAB2A

tetradic

#2A3AAB #AB2A7B #AB9B2A #2AAB5B

square

#2A3AAB #AB2A7B #AB9B2A #2AAB5B

split-complementary

#2A3AAB #AB5B2A #7BAB2A

monochromatic

#121949 #1E297A #2A3AAB #4253D1 #7380DD

Accessibility & contrast

On white

9.16

#2A3AAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#2A3AAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3AAB

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3AAB	#FFFFFF	#000000	##FFFFFF
##2A3AAB	1.00	9.16	2.29	9.16
#FFFFFF	9.16	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAF

Deuteranopia (green-blind)

#0042A9

Tritanopia (blue-blind)

#00586D

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2a3aab;
/* rgb */ color: rgb(42, 58, 171);
/* oklch */ color: oklch(41.5% 0.180 270.0);

Tailwind

colors: {
  custom: {
    50: '#7870c5',
    500: '#2a3aab',
    950: '#000000',
  },
}

SCSS

$custom: #2a3aab;
$custom-light: #7870c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3aab",
  "rgb": {
    "r": 42,
    "g": 58,
    "b": 171
  },
  "hsl": {
    "h": 232.558,
    "s": 60.563,
    "l": 41.765
  },
  "oklch": {
    "l": 0.41479,
    "c": 0.17961,
    "h": 270
  },
  "luminance": 0.06459
}

Semantic roles & 50–950 ramp

primary

#2A3AAB

secondary

#C4B96D

accent

#D044E4

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2A3AAB

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

Preview Lab → · Contrast checker → · Palette generator →