#2A4FB0#2A4FB0

#2A4FB0 is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.0% C 0.161 H 264.9°. Best body text is #FFFFFF at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#2A4FB0
RGB	rgb(42, 79, 176)
HSL	hsl(223, 61%, 43%)
HSV	hsv(223, 76%, 69%)
CMYK	cmyk(76.1%, 55.1%, 0%, 31%)
CIE-LAB	lab(36.40, 22.04, -55.51)
CIE-LCH	lch(36.40, 59.73, 291.66°)
OKLab	oklab(45.97% -0.0143 -0.16)
OKLCH	oklch(45.97% 0.161 264.9)
XYZ	xyz(11.5845, 9.2175, 42.2345)
Luminance	0.0922 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A4FB0 #B08B2A

analogous

#2A92B0 #2A4FB0 #482AB0

triadic

#2A4FB0 #B02A4F #4FB02A

tetradic

#2A4FB0 #B02A92 #B08B2A #2AB048

square

#2A4FB0 #B02A92 #B08B2A #2AB048

split-complementary

#2A4FB0 #B0482A #92B02A

monochromatic

#12234D #1E397F #2A4FB0 #456CD3 #7693DE

Accessibility & contrast

On white

7.38

#2A4FB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#2A4FB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A4FB0

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A4FB0	#FFFFFF	#000000	##FFFFFF
##2A4FB0	1.00	7.38	2.84	7.38
#FFFFFF	7.38	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CB3

Deuteranopia (green-blind)

#0050AE

Tritanopia (blue-blind)

#006777

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2a4fb0;
/* rgb */ color: rgb(42, 79, 176);
/* oklch */ color: oklch(46.0% 0.161 264.9);

Tailwind

colors: {
  custom: {
    50: '#777fc8',
    500: '#2a4fb0',
    950: '#000000',
  },
}

SCSS

$custom: #2a4fb0;
$custom-light: #777fc8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a4fb0",
  "rgb": {
    "r": 42,
    "g": 79,
    "b": 176
  },
  "hsl": {
    "h": 223.433,
    "s": 61.468,
    "l": 42.745
  },
  "oklch": {
    "l": 0.45968,
    "c": 0.16067,
    "h": 264.9
  },
  "luminance": 0.09219
}

Semantic roles & 50–950 ramp

primary

#2A4FB0

secondary

#C6AE70

accent

#B843E5

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2A4FB0

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

Preview Lab → · Contrast checker → · Palette generator →