#2A4CA3#2A4CA3

#2A4CA3 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.3% C 0.146 H 264.9°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#2A4CA3
RGB	rgb(42, 76, 163)
HSL	hsl(223, 59%, 40%)
HSV	hsv(223, 74%, 64%)
CMYK	cmyk(74.2%, 53.4%, 0%, 36.1%)
CIE-LAB	lab(34.61, 19.06, -50.67)
CIE-LCH	lch(34.61, 54.13, 290.61°)
OKLab	oklab(44.31% -0.013 -0.1458)
OKLCH	oklch(44.31% 0.146 264.9)
XYZ	xyz(10.1478, 8.3044, 35.7113)
Luminance	0.0830 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A4CA3 #A3812A

analogous

#2A89A3 #2A4CA3 #442AA3

triadic

#2A4CA3 #A32A4C #4CA32A

tetradic

#2A4CA3 #A32A89 #A3812A #2AA344

square

#2A4CA3 #A32A89 #A3812A #2AA344

split-complementary

#2A4CA3 #A3442A #89A32A

monochromatic

#111F42 #1D3572 #2A4CA3 #3D66CD #6E8CDA

Accessibility & contrast

On white

7.89

#2A4CA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#2A4CA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A4CA3

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A4CA3	#FFFFFF	#000000	##FFFFFF
##2A4CA3	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E57A6

Deuteranopia (green-blind)

#004CA1

Tritanopia (blue-blind)

#006170

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2a4ca3;
/* rgb */ color: rgb(42, 76, 163);
/* oklch */ color: oklch(44.3% 0.146 264.9);

Tailwind

colors: {
  custom: {
    50: '#757dbf',
    500: '#2a4ca3',
    950: '#000000',
  },
}

SCSS

$custom: #2a4ca3;
$custom-light: #757dbf;
$custom-dark: #000000;

JSON

{
  "hex": "#2a4ca3",
  "rgb": {
    "r": 42,
    "g": 76,
    "b": 163
  },
  "hsl": {
    "h": 223.14,
    "s": 59.024,
    "l": 40.196
  },
  "oklch": {
    "l": 0.44309,
    "c": 0.14641,
    "h": 264.9
  },
  "luminance": 0.08305
}

Semantic roles & 50–950 ramp

primary

#2A4CA3

secondary

#C0A868

accent

#B646E2

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #2A4CA3

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

Preview Lab → · Contrast checker → · Palette generator →