#2A3FA7#2A3FA7

#2A3FA7 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.0% C 0.168 H 269.0°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#2A3FA7
RGB	rgb(42, 63, 167)
HSL	hsl(230, 60%, 41%)
HSV	hsv(230, 75%, 65%)
CMYK	cmyk(74.9%, 62.3%, 0%, 34.5%)
CIE-LAB	lab(31.43, 29.25, -58.24)
CIE-LCH	lch(31.43, 65.17, 296.67°)
OKLab	oklab(42.03% -0.003 -0.1683)
OKLCH	oklch(42.03% 0.168 269)
XYZ	xyz(9.7050, 6.8362, 37.3598)
Luminance	0.0684 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3FA7 #A7922A

analogous

#2A7DA7 #2A3FA7 #532AA7

triadic

#2A3FA7 #A72A3F #3FA72A

tetradic

#2A3FA7 #A72A7D #A7922A #2AA753

square

#2A3FA7 #A72A7D #A7922A #2AA753

split-complementary

#2A3FA7 #A7532A #7DA72A

monochromatic

#111A45 #1E2D76 #2A3FA7 #3F57CF #7082DB

Accessibility & contrast

On white

8.87

#2A3FA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#2A3FA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3FA7

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3FA7	#FFFFFF	#000000	##FFFFFF
##2A3FA7	1.00	8.87	2.37	8.87
#FFFFFF	8.87	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050AA

Deuteranopia (green-blind)

#0044A5

Tritanopia (blue-blind)

#005A6D

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2a3fa7;
/* rgb */ color: rgb(42, 63, 167);
/* oklch */ color: oklch(42.0% 0.168 269.0);

Tailwind

colors: {
  custom: {
    50: '#7673c2',
    500: '#2a3fa7',
    950: '#000000',
  },
}

SCSS

$custom: #2a3fa7;
$custom-light: #7673c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3fa7",
  "rgb": {
    "r": 42,
    "g": 63,
    "b": 167
  },
  "hsl": {
    "h": 229.92,
    "s": 59.809,
    "l": 40.98
  },
  "oklch": {
    "l": 0.42026,
    "c": 0.16829,
    "h": 269
  },
  "luminance": 0.06837
}

Semantic roles & 50–950 ramp

primary

#2A3FA7

secondary

#C2B36B

accent

#C845E3

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2A3FA7

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

Preview Lab → · Contrast checker → · Palette generator →