#2451CA#2451CA

#2451CA is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.3% C 0.194 H 264.5°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#2451CA
RGB	rgb(36, 81, 202)
HSL	hsl(224, 70%, 47%)
HSV	hsv(224, 82%, 79%)
CMYK	cmyk(82.2%, 59.9%, 0%, 20.8%)
CIE-LAB	lab(38.76, 30.04, -66.90)
CIE-LCH	lch(38.76, 73.34, 294.18°)
OKLab	oklab(48.32% -0.0187 -0.1935)
OKLCH	oklch(48.32% 0.194 264.5)
XYZ	xyz(14.3269, 10.5225, 57.1416)
Luminance	0.1052 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2451CA #CA9D24

analogous

#24A4CA #2451CA #4A24CA

triadic

#2451CA #CA2451 #51CA24

tetradic

#2451CA #CA24A4 #CA9D24 #24CA4A

square

#2451CA #CA24A4 #CA9D24 #24CA4A

split-complementary

#2451CA #CA4A24 #A4CA24

monochromatic

#112762 #1B3C96 #2451CA #4C74DF #809CE8

Accessibility & contrast

On white

6.76

#2451CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#2451CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2451CA

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2451CA	#FFFFFF	#000000	##FFFFFF
##2451CA	1.00	6.76	3.10	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063CE

Deuteranopia (green-blind)

#0054C8

Tritanopia (blue-blind)

#007085

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2451ca;
/* rgb */ color: rgb(36, 81, 202);
/* oklch */ color: oklch(48.3% 0.194 264.5);

Tailwind

colors: {
  custom: {
    50: '#7c81db',
    500: '#2451ca',
    950: '#000000',
  },
}

SCSS

$custom: #2451ca;
$custom-light: #7c81db;
$custom-dark: #000000;

JSON

{
  "hex": "#2451ca",
  "rgb": {
    "r": 36,
    "g": 81,
    "b": 202
  },
  "hsl": {
    "h": 223.735,
    "s": 69.748,
    "l": 46.667
  },
  "oklch": {
    "l": 0.48323,
    "c": 0.19443,
    "h": 264.5
  },
  "luminance": 0.10524
}

Semantic roles & 50–950 ramp

primary

#2451CA

secondary

#D1B979

accent

#BC3BED

background

#F8F7FD

surface

#EFEEFB

border

#CAC9D4

text

#0B0A15

muted

#7C7C83

Preview Lab

Preview with #2451CA

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

Preview Lab → · Contrast checker → · Palette generator →