#2A45B7#2A45B7

#2A45B7 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.6% C 0.182 H 267.8°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#2A45B7
RGB	rgb(42, 69, 183)
HSL	hsl(229, 63%, 44%)
HSV	hsv(229, 77%, 72%)
CMYK	cmyk(77%, 62.3%, 0%, 28.2%)
CIE-LAB	lab(34.33, 31.28, -63.03)
CIE-LCH	lch(34.33, 70.37, 296.40°)
OKLab	oklab(44.59% -0.0071 -0.1822)
OKLCH	oklch(44.59% 0.182 267.8)
XYZ	xyz(11.6272, 8.1661, 45.7540)
Luminance	0.0817 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A45B7 #B79C2A

analogous

#2A8CB7 #2A45B7 #562AB7

triadic

#2A45B7 #B72A45 #45B72A

tetradic

#2A45B7 #B72A8C #B79C2A #2AB756

square

#2A45B7 #B72A8C #B79C2A #2AB756

split-complementary

#2A45B7 #B7562A #8CB72A

monochromatic

#131F53 #1F3285 #2A45B7 #4964D5 #7B8EE1

Accessibility & contrast

On white

7.97

#2A45B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#2A45B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A45B7

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A45B7	#FFFFFF	#000000	##FFFFFF
##2A45B7	1.00	7.97	2.63	7.97
#FFFFFF	7.97	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BB

Deuteranopia (green-blind)

#004AB5

Tritanopia (blue-blind)

#006377

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2a45b7;
/* rgb */ color: rgb(42, 69, 183);
/* oklch */ color: oklch(44.6% 0.182 267.8);

Tailwind

colors: {
  custom: {
    50: '#7a78ce',
    500: '#2a45b7',
    950: '#000000',
  },
}

SCSS

$custom: #2a45b7;
$custom-light: #7a78ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2a45b7",
  "rgb": {
    "r": 42,
    "g": 69,
    "b": 183
  },
  "hsl": {
    "h": 228.511,
    "s": 62.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.44593,
    "c": 0.18239,
    "h": 267.8
  },
  "luminance": 0.08167
}

Semantic roles & 50–950 ramp

primary

#2A45B7

secondary

#C9B974

accent

#C642E6

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #2A45B7

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

Preview Lab → · Contrast checker → · Palette generator →