#2451A9#2451A9

#2451A9 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.6% C 0.150 H 262.0°. Best body text is #FFFFFF at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#2451A9
RGB	rgb(36, 81, 169)
HSL	hsl(220, 65%, 40%)
HSV	hsv(220, 79%, 66%)
CMYK	cmyk(78.7%, 52.1%, 0%, 33.7%)
CIE-LAB	lab(36.22, 17.30, -51.66)
CIE-LCH	lch(36.22, 54.48, 288.52°)
OKLab	oklab(45.61% -0.021 -0.1487)
OKLCH	oklch(45.61% 0.15 262)
XYZ	xyz(10.8288, 9.1232, 38.7187)
Luminance	0.0912 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2451A9 #A97C24

analogous

#2494A9 #2451A9 #3924A9

triadic

#2451A9 #A92451 #51A924

tetradic

#2451A9 #A92494 #A97C24 #24A939

square

#2451A9 #A92494 #A97C24 #24A939

split-complementary

#2451A9 #A93924 #94A924

monochromatic

#0F2144 #193977 #2451A9 #366CD4 #6891DF

Accessibility & contrast

On white

7.43

#2451A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#2451A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2451A9

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2451A9	#FFFFFF	#000000	##FFFFFF
##2451A9	1.00	7.43	2.82	7.43
#FFFFFF	7.43	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#165CAC

Deuteranopia (green-blind)

#004FA7

Tritanopia (blue-blind)

#006675

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #2451a9;
/* rgb */ color: rgb(36, 81, 169);
/* oklch */ color: oklch(45.6% 0.150 262.0);

Tailwind

colors: {
  custom: {
    50: '#7481c3',
    500: '#2451a9',
    950: '#000000',
  },
}

SCSS

$custom: #2451a9;
$custom-light: #7481c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2451a9",
  "rgb": {
    "r": 36,
    "g": 81,
    "b": 169
  },
  "hsl": {
    "h": 219.699,
    "s": 64.878,
    "l": 40.196
  },
  "oklch": {
    "l": 0.45607,
    "c": 0.15022,
    "h": 262
  },
  "luminance": 0.09124
}

Semantic roles & 50–950 ramp

primary

#2451A9

secondary

#C5A464

accent

#AF40E8

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#090A13

muted

#7B7C82

Preview Lab

Preview with #2451A9

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

Preview Lab → · Contrast checker → · Palette generator →