#2A3FAD#2A3FAD

#2A3FAD is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.6% C 0.176 H 269.0°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#2A3FAD
RGB	rgb(42, 63, 173)
HSL	hsl(230, 61%, 42%)
HSV	hsv(230, 76%, 68%)
CMYK	cmyk(75.7%, 63.6%, 0%, 32.2%)
CIE-LAB	lab(31.95, 31.48, -60.98)
CIE-LCH	lch(31.95, 68.63, 297.31°)
OKLab	oklab(42.57% -0.0031 -0.1763)
OKLCH	oklch(42.57% 0.176 269)
XYZ	xyz(10.2726, 7.0633, 40.3490)
Luminance	0.0706 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3FAD #AD982A

analogous

#2A80AD #2A3FAD #572AAD

triadic

#2A3FAD #AD2A3F #3FAD2A

tetradic

#2A3FAD #AD2A80 #AD982A #2AAD57

square

#2A3FAD #AD2A80 #AD982A #2AAD57

split-complementary

#2A3FAD #AD572A #80AD2A

monochromatic

#121B4B #1E2D7C #2A3FAD #435AD1 #7485DD

Accessibility & contrast

On white

8.70

#2A3FAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#2A3FAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3FAD

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3FAD	#FFFFFF	#000000	##FFFFFF
##2A3FAD	1.00	8.70	2.41	8.70
#FFFFFF	8.70	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B1

Deuteranopia (green-blind)

#0045AB

Tritanopia (blue-blind)

#005C70

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2a3fad;
/* rgb */ color: rgb(42, 63, 173);
/* oklch */ color: oklch(42.6% 0.176 269.0);

Tailwind

colors: {
  custom: {
    50: '#7874c6',
    500: '#2a3fad',
    950: '#000000',
  },
}

SCSS

$custom: #2a3fad;
$custom-light: #7874c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3fad",
  "rgb": {
    "r": 42,
    "g": 63,
    "b": 173
  },
  "hsl": {
    "h": 230.382,
    "s": 60.93,
    "l": 42.157
  },
  "oklch": {
    "l": 0.42571,
    "c": 0.17633,
    "h": 269
  },
  "luminance": 0.07064
}

Semantic roles & 50–950 ramp

primary

#2A3FAD

secondary

#C5B76E

accent

#CA44E4

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2A3FAD

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

Preview Lab → · Contrast checker → · Palette generator →