#2451A3#2451A3

#2451A3 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.1% C 0.142 H 261.2°. Best body text is #FFFFFF at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#2451A3
RGB	rgb(36, 81, 163)
HSL	hsl(219, 64%, 39%)
HSV	hsv(219, 78%, 64%)
CMYK	cmyk(77.9%, 50.3%, 0%, 36.1%)
CIE-LAB	lab(35.80, 14.95, -48.76)
CIE-LCH	lch(35.80, 51.00, 287.05°)
OKLab	oklab(45.15% -0.0217 -0.1402)
OKLCH	oklch(45.15% 0.142 261.2)
XYZ	xyz(10.2785, 8.9031, 35.8200)
Luminance	0.0890 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2451A3 #A37624

analogous

#2491A3 #2451A3 #3724A3

triadic

#2451A3 #A32451 #51A324

tetradic

#2451A3 #A32491 #A37624 #24A337

square

#2451A3 #A32491 #A37624 #24A337

split-complementary

#2451A3 #A33724 #91A324

monochromatic

#0E1F3F #193871 #2451A3 #326BD2 #658FDD

Accessibility & contrast

On white

7.55

#2451A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#2451A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2451A3

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2451A3	#FFFFFF	#000000	##FFFFFF
##2451A3	1.00	7.55	2.78	7.55
#FFFFFF	7.55	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#205AA6

Deuteranopia (green-blind)

#004FA1

Tritanopia (blue-blind)

#006572

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2451a3;
/* rgb */ color: rgb(36, 81, 163);
/* oklch */ color: oklch(45.1% 0.142 261.2);

Tailwind

colors: {
  custom: {
    50: '#7281bf',
    500: '#2451a3',
    950: '#000000',
  },
}

SCSS

$custom: #2451a3;
$custom-light: #7281bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2451a3",
  "rgb": {
    "r": 36,
    "g": 81,
    "b": 163
  },
  "hsl": {
    "h": 218.74,
    "s": 63.819,
    "l": 39.02
  },
  "oklch": {
    "l": 0.45149,
    "c": 0.1419,
    "h": 261.2
  },
  "luminance": 0.08904
}

Semantic roles & 50–950 ramp

primary

#2451A3

secondary

#C2A060

accent

#AC41E7

background

#F7F7FB

surface

#EDEEF7

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2451A3

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

Preview Lab → · Contrast checker → · Palette generator →