#2A4FBC#2A4FBC

#2A4FBC is a mid, vivid blue. Relative luminance 0.097; OKLCH L 47.0% C 0.177 H 265.6°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#2A4FBC
RGB	rgb(42, 79, 188)
HSL	hsl(225, 63%, 45%)
HSV	hsv(225, 78%, 74%)
CMYK	cmyk(77.7%, 58%, 0%, 26.3%)
CIE-LAB	lab(37.32, 26.61, -61.08)
CIE-LCH	lch(37.32, 66.63, 293.54°)
OKLab	oklab(46.95% -0.0136 -0.1764)
OKLCH	oklch(46.95% 0.177 265.6)
XYZ	xyz(12.8247, 9.7136, 48.7662)
Luminance	0.0972 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A4FBC #BC972A

analogous

#2A98BC #2A4FBC #4E2ABC

triadic

#2A4FBC #BC2A4F #4FBC2A

tetradic

#2A4FBC #BC2A98 #BC972A #2ABC4E

square

#2A4FBC #BC2A98 #BC972A #2ABC4E

split-complementary

#2A4FBC #BC4E2A #98BC2A

monochromatic

#142558 #1F3A8A #2A4FBC #4C6FD7 #7E98E2

Accessibility & contrast

On white

7.14

#2A4FBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#2A4FBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A4FBC

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A4FBC	#FFFFFF	#000000	##FFFFFF
##2A4FBC	1.00	7.14	2.94	7.14
#FFFFFF	7.14	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FC0

Deuteranopia (green-blind)

#0051BA

Tritanopia (blue-blind)

#006A7E

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2a4fbc;
/* rgb */ color: rgb(42, 79, 188);
/* oklch */ color: oklch(47.0% 0.177 265.6);

Tailwind

colors: {
  custom: {
    50: '#7a7fd1',
    500: '#2a4fbc',
    950: '#000000',
  },
}

SCSS

$custom: #2a4fbc;
$custom-light: #7a7fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#2a4fbc",
  "rgb": {
    "r": 42,
    "g": 79,
    "b": 188
  },
  "hsl": {
    "h": 224.795,
    "s": 63.478,
    "l": 45.098
  },
  "oklch": {
    "l": 0.46953,
    "c": 0.17691,
    "h": 265.6
  },
  "luminance": 0.09715
}

Semantic roles & 50–950 ramp

primary

#2A4FBC

secondary

#CBB677

accent

#BD41E7

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #2A4FBC

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

Preview Lab → · Contrast checker → · Palette generator →