#2A4BB3#2A4BB3

#2A4BB3 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.4% C 0.170 H 266.2°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#2A4BB3
RGB	rgb(42, 75, 179)
HSL	hsl(226, 62%, 43%)
HSV	hsv(226, 77%, 70%)
CMYK	cmyk(76.5%, 58.1%, 0%, 29.8%)
CIE-LAB	lab(35.55, 25.84, -58.67)
CIE-LCH	lch(35.55, 64.10, 293.77°)
OKLab	oklab(45.4% -0.0112 -0.1694)
OKLCH	oklch(45.4% 0.17 266.2)
XYZ	xyz(11.6048, 8.7778, 43.7218)
Luminance	0.0878 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A4BB3 #B3922A

analogous

#2A8FB3 #2A4BB3 #4D2AB3

triadic

#2A4BB3 #B32A4B #4BB32A

tetradic

#2A4BB3 #B32A8F #B3922A #2AB34D

square

#2A4BB3 #B32A8F #B3922A #2AB34D

split-complementary

#2A4BB3 #B34D2A #8FB32A

monochromatic

#132150 #1E3681 #2A4BB3 #4669D4 #7891DF

Accessibility & contrast

On white

7.62

#2A4BB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#2A4BB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A4BB3

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A4BB3	#FFFFFF	#000000	##FFFFFF
##2A4BB3	1.00	7.62	2.76	7.62
#FFFFFF	7.62	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB7

Deuteranopia (green-blind)

#004DB1

Tritanopia (blue-blind)

#006577

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2a4bb3;
/* rgb */ color: rgb(42, 75, 179);
/* oklch */ color: oklch(45.4% 0.170 266.2);

Tailwind

colors: {
  custom: {
    50: '#787ccb',
    500: '#2a4bb3',
    950: '#000000',
  },
}

SCSS

$custom: #2a4bb3;
$custom-light: #787ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#2a4bb3",
  "rgb": {
    "r": 42,
    "g": 75,
    "b": 179
  },
  "hsl": {
    "h": 225.547,
    "s": 61.991,
    "l": 43.333
  },
  "oklch": {
    "l": 0.45403,
    "c": 0.16973,
    "h": 266.2
  },
  "luminance": 0.08779
}

Semantic roles & 50–950 ramp

primary

#2A4BB3

secondary

#C7B372

accent

#BE43E5

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2A4BB3

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

Preview Lab → · Contrast checker → · Palette generator →