#2A3FAB#2A3FAB

#2A3FAB is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.4% C 0.174 H 269.0°. Best body text is #FFFFFF at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#2A3FAB
RGB	rgb(42, 63, 171)
HSL	hsl(230, 61%, 42%)
HSV	hsv(230, 75%, 67%)
CMYK	cmyk(75.4%, 63.2%, 0%, 32.9%)
CIE-LAB	lab(31.78, 30.74, -60.07)
CIE-LCH	lch(31.78, 67.48, 297.10°)
OKLab	oklab(42.39% -0.0031 -0.1736)
OKLCH	oklch(42.39% 0.174 269)
XYZ	xyz(10.0805, 6.9864, 39.3374)
Luminance	0.0699 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3FAB #AB962A

analogous

#2A7FAB #2A3FAB #562AAB

triadic

#2A3FAB #AB2A3F #3FAB2A

tetradic

#2A3FAB #AB2A7F #AB962A #2AAB56

square

#2A3FAB #AB2A7F #AB962A #2AAB56

split-complementary

#2A3FAB #AB562A #7FAB2A

monochromatic

#121B49 #1E2D7A #2A3FAB #4259D1 #7384DD

Accessibility & contrast

On white

8.76

#2A3FAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#2A3FAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3FAB

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3FAB	#FFFFFF	#000000	##FFFFFF
##2A3FAB	1.00	8.76	2.40	8.76
#FFFFFF	8.76	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051AE

Deuteranopia (green-blind)

#0045A9

Tritanopia (blue-blind)

#005B6F

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2a3fab;
/* rgb */ color: rgb(42, 63, 171);
/* oklch */ color: oklch(42.4% 0.174 269.0);

Tailwind

colors: {
  custom: {
    50: '#7774c5',
    500: '#2a3fab',
    950: '#000000',
  },
}

SCSS

$custom: #2a3fab;
$custom-light: #7774c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3fab",
  "rgb": {
    "r": 42,
    "g": 63,
    "b": 171
  },
  "hsl": {
    "h": 230.233,
    "s": 60.563,
    "l": 41.765
  },
  "oklch": {
    "l": 0.42388,
    "c": 0.17366,
    "h": 269
  },
  "luminance": 0.06988
}

Semantic roles & 50–950 ramp

primary

#2A3FAB

secondary

#C4B66D

accent

#CA44E4

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2A3FAB

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

Preview Lab → · Contrast checker → · Palette generator →