#2A48B1#2A48B1

#2A48B1 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.6% C 0.171 H 266.9°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#2A48B1
RGB	rgb(42, 72, 177)
HSL	hsl(227, 62%, 43%)
HSV	hsv(227, 76%, 69%)
CMYK	cmyk(76.3%, 59.3%, 0%, 30.6%)
CIE-LAB	lab(34.60, 27.06, -59.03)
CIE-LCH	lch(34.60, 64.94, 294.63°)
OKLab	oklab(44.64% -0.0091 -0.1705)
OKLCH	oklch(44.64% 0.171 266.9)
XYZ	xyz(11.2052, 8.3001, 42.5980)
Luminance	0.0830 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A48B1 #B1932A

analogous

#2A8BB1 #2A48B1 #502AB1

triadic

#2A48B1 #B12A48 #48B12A

tetradic

#2A48B1 #B12A8B #B1932A #2AB150

square

#2A48B1 #B12A8B #B1932A #2AB150

split-complementary

#2A48B1 #B1502A #8BB12A

monochromatic

#13204E #1E3480 #2A48B1 #4565D3 #778EDF

Accessibility & contrast

On white

7.89

#2A48B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#2A48B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A48B1

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A48B1	#FFFFFF	#000000	##FFFFFF
##2A48B1	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)

#0058B5

Deuteranopia (green-blind)

#004BAF

Tritanopia (blue-blind)

#006275

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2a48b1;
/* rgb */ color: rgb(42, 72, 177);
/* oklch */ color: oklch(44.6% 0.171 266.9);

Tailwind

colors: {
  custom: {
    50: '#787ac9',
    500: '#2a48b1',
    950: '#000000',
  },
}

SCSS

$custom: #2a48b1;
$custom-light: #787ac9;
$custom-dark: #000000;

JSON

{
  "hex": "#2a48b1",
  "rgb": {
    "r": 42,
    "g": 72,
    "b": 177
  },
  "hsl": {
    "h": 226.667,
    "s": 61.644,
    "l": 42.941
  },
  "oklch": {
    "l": 0.44641,
    "c": 0.17073,
    "h": 266.9
  },
  "luminance": 0.08301
}

Semantic roles & 50–950 ramp

primary

#2A48B1

secondary

#C6B370

accent

#C143E5

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2A48B1

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

Preview Lab → · Contrast checker → · Palette generator →