#2A4DBB#2A4DBB

#2A4DBB is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.5% C 0.178 H 266.0°. Best body text is #FFFFFF at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#2A4DBB
RGB	rgb(42, 77, 187)
HSL	hsl(226, 63%, 45%)
HSV	hsv(226, 78%, 73%)
CMYK	cmyk(77.5%, 58.8%, 0%, 26.7%)
CIE-LAB	lab(36.72, 27.55, -61.48)
CIE-LCH	lch(36.72, 67.37, 294.13°)
OKLab	oklab(46.48% -0.0123 -0.1776)
OKLCH	oklch(46.48% 0.178 266)
XYZ	xyz(12.5752, 9.3864, 48.1531)
Luminance	0.0939 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A4DBB #BB982A

analogous

#2A96BB #2A4DBB #4F2ABB

triadic

#2A4DBB #BB2A4D #4DBB2A

tetradic

#2A4DBB #BB2A96 #BB982A #2ABB4F

square

#2A4DBB #BB2A96 #BB982A #2ABB4F

split-complementary

#2A4DBB #BB4F2A #96BB2A

monochromatic

#142457 #1F3889 #2A4DBB #4C6DD7 #7D96E2

Accessibility & contrast

On white

7.30

#2A4DBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#2A4DBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A4DBB

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A4DBB	#FFFFFF	#000000	##FFFFFF
##2A4DBB	1.00	7.30	2.88	7.30
#FFFFFF	7.30	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DBF

Deuteranopia (green-blind)

#0050B9

Tritanopia (blue-blind)

#00697C

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2a4dbb;
/* rgb */ color: rgb(42, 77, 187);
/* oklch */ color: oklch(46.5% 0.178 266.0);

Tailwind

colors: {
  custom: {
    50: '#7a7ed0',
    500: '#2a4dbb',
    950: '#000000',
  },
}

SCSS

$custom: #2a4dbb;
$custom-light: #7a7ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a4dbb",
  "rgb": {
    "r": 42,
    "g": 77,
    "b": 187
  },
  "hsl": {
    "h": 225.517,
    "s": 63.319,
    "l": 44.902
  },
  "oklch": {
    "l": 0.46475,
    "c": 0.17802,
    "h": 266
  },
  "luminance": 0.09388
}

Semantic roles & 50–950 ramp

primary

#2A4DBB

secondary

#CAB676

accent

#BF41E6

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #2A4DBB

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

Preview Lab → · Contrast checker → · Palette generator →