#2A4EA3#2A4EA3

#2A4EA3 is a dark, vivid blue. Relative luminance 0.086; OKLCH L 44.7% C 0.144 H 264.1°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#2A4EA3
RGB	rgb(42, 78, 163)
HSL	hsl(222, 59%, 40%)
HSV	hsv(222, 74%, 64%)
CMYK	cmyk(74.2%, 52.1%, 0%, 36.1%)
CIE-LAB	lab(35.17, 17.72, -49.76)
CIE-LCH	lch(35.17, 52.82, 289.60°)
OKLab	oklab(44.74% -0.0147 -0.1431)
OKLCH	oklch(44.74% 0.144 264.1)
XYZ	xyz(10.2878, 8.5843, 35.7580)
Luminance	0.0858 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A4EA3 #A37F2A

analogous

#2A8AA3 #2A4EA3 #432AA3

triadic

#2A4EA3 #A32A4E #4EA32A

tetradic

#2A4EA3 #A32A8A #A37F2A #2AA343

square

#2A4EA3 #A32A8A #A37F2A #2AA343

split-complementary

#2A4EA3 #A3432A #8AA32A

monochromatic

#111F42 #1D3772 #2A4EA3 #3D68CD #6E8EDA

Accessibility & contrast

On white

7.73

#2A4EA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#2A4EA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A4EA3

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A4EA3	#FFFFFF	#000000	##FFFFFF
##2A4EA3	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1759A6

Deuteranopia (green-blind)

#004DA1

Tritanopia (blue-blind)

#006271

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #2a4ea3;
/* rgb */ color: rgb(42, 78, 163);
/* oklch */ color: oklch(44.7% 0.144 264.1);

Tailwind

colors: {
  custom: {
    50: '#747fbf',
    500: '#2a4ea3',
    950: '#000000',
  },
}

SCSS

$custom: #2a4ea3;
$custom-light: #747fbf;
$custom-dark: #000000;

JSON

{
  "hex": "#2a4ea3",
  "rgb": {
    "r": 42,
    "g": 78,
    "b": 163
  },
  "hsl": {
    "h": 222.149,
    "s": 59.024,
    "l": 40.196
  },
  "oklch": {
    "l": 0.44735,
    "c": 0.14386,
    "h": 264.1
  },
  "luminance": 0.08585
}

Semantic roles & 50–950 ramp

primary

#2A4EA3

secondary

#C0A668

accent

#B446E2

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2A4EA3

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

Preview Lab → · Contrast checker → · Palette generator →