#2A4BB1#2A4BB1

#2A4BB1 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.2% C 0.167 H 266.1°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#2A4BB1
RGB	rgb(42, 75, 177)
HSL	hsl(225, 62%, 43%)
HSV	hsv(225, 76%, 69%)
CMYK	cmyk(76.3%, 57.6%, 0%, 30.6%)
CIE-LAB	lab(35.40, 25.08, -57.74)
CIE-LCH	lch(35.40, 62.95, 293.48°)
OKLab	oklab(45.24% -0.0113 -0.1666)
OKLCH	oklch(45.24% 0.167 266.1)
XYZ	xyz(11.4039, 8.6975, 42.6642)
Luminance	0.0870 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A4BB1 #B1902A

analogous

#2A8FB1 #2A4BB1 #4C2AB1

triadic

#2A4BB1 #B12A4B #4BB12A

tetradic

#2A4BB1 #B12A8F #B1902A #2AB14C

square

#2A4BB1 #B12A8F #B1902A #2AB14C

split-complementary

#2A4BB1 #B14C2A #8FB12A

monochromatic

#13214E #1E3680 #2A4BB1 #4568D3 #7790DF

Accessibility & contrast

On white

7.66

#2A4BB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#2A4BB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A4BB1

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A4BB1	#FFFFFF	#000000	##FFFFFF
##2A4BB1	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB4

Deuteranopia (green-blind)

#004DAF

Tritanopia (blue-blind)

#006476

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #2a4bb1;
/* rgb */ color: rgb(42, 75, 177);
/* oklch */ color: oklch(45.2% 0.167 266.1);

Tailwind

colors: {
  custom: {
    50: '#787cc9',
    500: '#2a4bb1',
    950: '#000000',
  },
}

SCSS

$custom: #2a4bb1;
$custom-light: #787cc9;
$custom-dark: #000000;

JSON

{
  "hex": "#2a4bb1",
  "rgb": {
    "r": 42,
    "g": 75,
    "b": 177
  },
  "hsl": {
    "h": 225.333,
    "s": 61.644,
    "l": 42.941
  },
  "oklch": {
    "l": 0.45236,
    "c": 0.16701,
    "h": 266.1
  },
  "luminance": 0.08699
}

Semantic roles & 50–950 ramp

primary

#2A4BB1

secondary

#C6B170

accent

#BD43E5

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2A4BB1

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

Preview Lab → · Contrast checker → · Palette generator →