#2553A5#2553A5

#2553A5 is a mid, vivid blue. Relative luminance 0.093; OKLCH L 45.8% C 0.142 H 260.9°. Best body text is #FFFFFF at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#2553A5
RGB	rgb(37, 83, 165)
HSL	hsl(218, 63%, 40%)
HSV	hsv(218, 78%, 65%)
CMYK	cmyk(77.6%, 49.7%, 0%, 35.3%)
CIE-LAB	lab(36.55, 14.52, -48.74)
CIE-LCH	lch(36.55, 50.86, 286.59°)
OKLab	oklab(45.78% -0.0224 -0.1401)
OKLCH	oklch(45.78% 0.142 260.9)
XYZ	xyz(10.6453, 9.2952, 36.8231)
Luminance	0.0930 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2553A5 #A57725

analogous

#2593A5 #2553A5 #3725A5

triadic

#2553A5 #A52553 #53A525

tetradic

#2553A5 #A52593 #A57725 #25A537

square

#2553A5 #A52593 #A57725 #25A537

split-complementary

#2553A5 #A53725 #93A525

monochromatic

#0F2141 #1A3A73 #2553A5 #356ED2 #6792DD

Accessibility & contrast

On white

7.34

#2553A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#2553A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2553A5

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2553A5	#FFFFFF	#000000	##FFFFFF
##2553A5	1.00	7.34	2.86	7.34
#FFFFFF	7.34	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#235CA8

Deuteranopia (green-blind)

#0050A3

Tritanopia (blue-blind)

#006774

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2553a5;
/* rgb */ color: rgb(37, 83, 165);
/* oklch */ color: oklch(45.8% 0.142 260.9);

Tailwind

colors: {
  custom: {
    50: '#7382c0',
    500: '#2553a5',
    950: '#000000',
  },
}

SCSS

$custom: #2553a5;
$custom-light: #7382c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2553a5",
  "rgb": {
    "r": 37,
    "g": 83,
    "b": 165
  },
  "hsl": {
    "h": 218.438,
    "s": 63.366,
    "l": 39.608
  },
  "oklch": {
    "l": 0.45776,
    "c": 0.1419,
    "h": 260.9
  },
  "luminance": 0.09296
}

Semantic roles & 50–950 ramp

primary

#2553A5

secondary

#C3A063

accent

#AB41E6

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2553A5

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

Preview Lab → · Contrast checker → · Palette generator →