#2451AA#2451AA

#2451AA is a mid, vivid blue. Relative luminance 0.092; OKLCH L 45.7% C 0.152 H 262.1°. Best body text is #FFFFFF at 7.41:1 contrast (WCAG AA passes).

Color values

HEX	#2451AA
RGB	rgb(36, 81, 170)
HSL	hsl(220, 65%, 40%)
HSV	hsv(220, 79%, 67%)
CMYK	cmyk(78.8%, 52.4%, 0%, 33.3%)
CIE-LAB	lab(36.29, 17.70, -52.14)
CIE-LCH	lch(36.29, 55.06, 288.75°)
OKLab	oklab(45.68% -0.0208 -0.1502)
OKLCH	oklch(45.68% 0.152 262.1)
XYZ	xyz(10.9231, 9.1609, 39.2150)
Luminance	0.0916 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2451AA #AA7D24

analogous

#2494AA #2451AA #3A24AA

triadic

#2451AA #AA2451 #51AA24

tetradic

#2451AA #AA2494 #AA7D24 #24AA3A

square

#2451AA #AA2494 #AA7D24 #24AA3A

split-complementary

#2451AA #AA3A24 #94AA24

monochromatic

#0F2145 #193977 #2451AA #376CD5 #6991DF

Accessibility & contrast

On white

7.41

#2451AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#2451AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2451AA

7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2451AA	#FFFFFF	#000000	##FFFFFF
##2451AA	1.00	7.41	2.83	7.41
#FFFFFF	7.41	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#145CAD

Deuteranopia (green-blind)

#0050A8

Tritanopia (blue-blind)

#006775

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #2451aa;
/* rgb */ color: rgb(36, 81, 170);
/* oklch */ color: oklch(45.7% 0.152 262.1);

Tailwind

colors: {
  custom: {
    50: '#7481c4',
    500: '#2451aa',
    950: '#000000',
  },
}

SCSS

$custom: #2451aa;
$custom-light: #7481c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2451aa",
  "rgb": {
    "r": 36,
    "g": 81,
    "b": 170
  },
  "hsl": {
    "h": 219.851,
    "s": 65.049,
    "l": 40.392
  },
  "oklch": {
    "l": 0.45684,
    "c": 0.1516,
    "h": 262.1
  },
  "luminance": 0.09162
}

Semantic roles & 50–950 ramp

primary

#2451AA

secondary

#C5A565

accent

#B040E8

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#090A13

muted

#7B7C82

Preview Lab

Preview with #2451AA

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

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