#2A4FA1#2A4FA1

#2A4FA1 is a dark, vivid blue. Relative luminance 0.087; OKLCH L 44.8% C 0.140 H 263.5°. Best body text is #FFFFFF at 7.69:1 contrast (WCAG AA passes).

Color values

HEX	#2A4FA1
RGB	rgb(42, 79, 161)
HSL	hsl(221, 59%, 40%)
HSV	hsv(221, 74%, 63%)
CMYK	cmyk(73.9%, 50.9%, 0%, 36.9%)
CIE-LAB	lab(35.31, 16.28, -48.33)
CIE-LCH	lch(35.31, 51.00, 288.62°)
OKLab	oklab(44.8% -0.0158 -0.1389)
OKLCH	oklch(44.8% 0.14 263.5)
XYZ	xyz(10.1816, 8.6563, 34.8455)
Luminance	0.0866 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A4FA1 #A17C2A

analogous

#2A8AA1 #2A4FA1 #412AA1

triadic

#2A4FA1 #A12A4F #4FA12A

tetradic

#2A4FA1 #A12A8A #A17C2A #2AA141

square

#2A4FA1 #A12A8A #A17C2A #2AA141

split-complementary

#2A4FA1 #A1412A #8AA12A

monochromatic

#111F40 #1D3770 #2A4FA1 #3C69CC #6D8ED9

Accessibility & contrast

On white

7.69

#2A4FA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#2A4FA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A4FA1

7.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A4FA1	#FFFFFF	#000000	##FFFFFF
##2A4FA1	1.00	7.69	2.73	7.69
#FFFFFF	7.69	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E59A4

Deuteranopia (green-blind)

#004E9F

Tritanopia (blue-blind)

#006370

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #2a4fa1;
/* rgb */ color: rgb(42, 79, 161);
/* oklch */ color: oklch(44.8% 0.140 263.5);

Tailwind

colors: {
  custom: {
    50: '#747fbd',
    500: '#2a4fa1',
    950: '#000000',
  },
}

SCSS

$custom: #2a4fa1;
$custom-light: #747fbd;
$custom-dark: #000000;

JSON

{
  "hex": "#2a4fa1",
  "rgb": {
    "r": 42,
    "g": 79,
    "b": 161
  },
  "hsl": {
    "h": 221.345,
    "s": 58.621,
    "l": 39.804
  },
  "oklch": {
    "l": 0.44799,
    "c": 0.13978,
    "h": 263.5
  },
  "luminance": 0.08657
}

Semantic roles & 50–950 ramp

primary

#2A4FA1

secondary

#C0A467

accent

#B146E2

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2A4FA1

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

Preview Lab → · Contrast checker → · Palette generator →