#2550AC#2550AC

#2550AC is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.7% C 0.155 H 262.9°. Best body text is #FFFFFF at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#2550AC
RGB	rgb(37, 80, 172)
HSL	hsl(221, 65%, 41%)
HSV	hsv(221, 78%, 67%)
CMYK	cmyk(78.5%, 53.5%, 0%, 32.5%)
CIE-LAB	lab(36.19, 19.25, -53.49)
CIE-LCH	lch(36.19, 56.85, 289.80°)
OKLab	oklab(45.66% -0.0192 -0.1541)
OKLCH	oklch(45.66% 0.155 262.9)
XYZ	xyz(11.0753, 9.1079, 40.1960)
Luminance	0.0911 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2550AC #AC8125

analogous

#2593AC #2550AC #3D25AC

triadic

#2550AC #AC2550 #50AC25

tetradic

#2550AC #AC2593 #AC8125 #25AC3D

square

#2550AC #AC2593 #AC8125 #25AC3D

split-complementary

#2550AC #AC3D25 #93AC25

monochromatic

#0F2147 #1A397A #2550AC #3A6BD5 #6C91DF

Accessibility & contrast

On white

7.44

#2550AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#2550AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2550AC

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2550AC	#FFFFFF	#000000	##FFFFFF
##2550AC	1.00	7.44	2.82	7.44
#FFFFFF	7.44	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#095CAF

Deuteranopia (green-blind)

#004FAA

Tritanopia (blue-blind)

#006676

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #2550ac;
/* rgb */ color: rgb(37, 80, 172);
/* oklch */ color: oklch(45.7% 0.155 262.9);

Tailwind

colors: {
  custom: {
    50: '#7580c5',
    500: '#2550ac',
    950: '#000000',
  },
}

SCSS

$custom: #2550ac;
$custom-light: #7580c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2550ac",
  "rgb": {
    "r": 37,
    "g": 80,
    "b": 172
  },
  "hsl": {
    "h": 220.889,
    "s": 64.593,
    "l": 40.98
  },
  "oklch": {
    "l": 0.45663,
    "c": 0.15532,
    "h": 262.9
  },
  "luminance": 0.09109
}

Semantic roles & 50–950 ramp

primary

#2550AC

secondary

#C6A867

accent

#B240E8

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2550AC

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

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