#2451BA#2451BA

#2451BA is a mid, vivid blue. Relative luminance 0.098; OKLCH L 47.0% C 0.173 H 263.6°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#2451BA
RGB	rgb(36, 81, 186)
HSL	hsl(222, 68%, 44%)
HSV	hsv(222, 81%, 73%)
CMYK	cmyk(80.6%, 56.5%, 0%, 27.1%)
CIE-LAB	lab(37.49, 23.92, -59.65)
CIE-LCH	lch(37.49, 64.27, 291.85°)
OKLab	oklab(46.97% -0.0194 -0.1722)
OKLCH	oklch(46.97% 0.173 263.6)
XYZ	xyz(12.5297, 9.8036, 47.6768)
Luminance	0.0980 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2451BA #BA8D24

analogous

#249CBA #2451BA #4224BA

triadic

#2451BA #BA2451 #51BA24

tetradic

#2451BA #BA249C #BA8D24 #24BA42

square

#2451BA #BA249C #BA8D24 #24BA42

split-complementary

#2451BA #BA4224 #9CBA24

monochromatic

#102453 #1A3B87 #2451BA #416FDA #7496E4

Accessibility & contrast

On white

7.09

#2451BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#2451BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2451BA

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2451BA	#FFFFFF	#000000	##FFFFFF
##2451BA	1.00	7.09	2.96	7.09
#FFFFFF	7.09	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FBE

Deuteranopia (green-blind)

#0052B8

Tritanopia (blue-blind)

#006B7D

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2451ba;
/* rgb */ color: rgb(36, 81, 186);
/* oklch */ color: oklch(47.0% 0.173 263.6);

Tailwind

colors: {
  custom: {
    50: '#7881d0',
    500: '#2451ba',
    950: '#000000',
  },
}

SCSS

$custom: #2451ba;
$custom-light: #7881d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2451ba",
  "rgb": {
    "r": 36,
    "g": 81,
    "b": 186
  },
  "hsl": {
    "h": 222,
    "s": 67.568,
    "l": 43.529
  },
  "oklch": {
    "l": 0.46967,
    "c": 0.17334,
    "h": 263.6
  },
  "luminance": 0.09805
}

Semantic roles & 50–950 ramp

primary

#2451BA

secondary

#CBAF6E

accent

#B73DEA

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0A0A14

muted

#7C7C82

Preview Lab

Preview with #2451BA

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

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