#2451C7#2451C7

#2451C7 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 48.1% C 0.191 H 264.4°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#2451C7
RGB	rgb(36, 81, 199)
HSL	hsl(223, 69%, 46%)
HSV	hsv(223, 82%, 78%)
CMYK	cmyk(81.9%, 59.3%, 0%, 22%)
CIE-LAB	lab(38.52, 28.91, -65.56)
CIE-LCH	lch(38.52, 71.65, 293.79°)
OKLab	oklab(48.06% -0.0187 -0.1896)
OKLCH	oklch(48.06% 0.191 264.4)
XYZ	xyz(13.9751, 10.3818, 55.2891)
Luminance	0.1038 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2451C7 #C79A24

analogous

#24A2C7 #2451C7 #4924C7

triadic

#2451C7 #C72451 #51C724

tetradic

#2451C7 #C724A2 #C79A24 #24C749

square

#2451C7 #C724A2 #C79A24 #24C749

split-complementary

#2451C7 #C74924 #A2C724

monochromatic

#11275F #1B3C93 #2451C7 #4A73DE #7E9BE8

Accessibility & contrast

On white

6.83

#2451C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#2451C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2451C7

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2451C7	#FFFFFF	#000000	##FFFFFF
##2451C7	1.00	6.83	3.08	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062CB

Deuteranopia (green-blind)

#0053C5

Tritanopia (blue-blind)

#006F84

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2451c7;
/* rgb */ color: rgb(36, 81, 199);
/* oklch */ color: oklch(48.1% 0.191 264.4);

Tailwind

colors: {
  custom: {
    50: '#7b81d9',
    500: '#2451c7',
    950: '#000000',
  },
}

SCSS

$custom: #2451c7;
$custom-light: #7b81d9;
$custom-dark: #000000;

JSON

{
  "hex": "#2451c7",
  "rgb": {
    "r": 36,
    "g": 81,
    "b": 199
  },
  "hsl": {
    "h": 223.436,
    "s": 69.362,
    "l": 46.078
  },
  "oklch": {
    "l": 0.48064,
    "c": 0.19052,
    "h": 264.4
  },
  "luminance": 0.10383
}

Semantic roles & 50–950 ramp

primary

#2451C7

secondary

#D0B777

accent

#BB3CEC

background

#F8F7FD

surface

#EFEEFB

border

#CAC9D4

text

#0B0A15

muted

#7C7C83

Preview Lab

Preview with #2451C7

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

Preview Lab → · Contrast checker → · Palette generator →