#2553A3#2553A3

#2553A3 is a mid, vivid blue. Relative luminance 0.092; OKLCH L 45.6% C 0.139 H 260.6°. Best body text is #FFFFFF at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#2553A3
RGB	rgb(37, 83, 163)
HSL	hsl(218, 63%, 39%)
HSV	hsv(218, 77%, 64%)
CMYK	cmyk(77.3%, 49.1%, 0%, 36.1%)
CIE-LAB	lab(36.41, 13.74, -47.77)
CIE-LCH	lch(36.41, 49.71, 286.04°)
OKLab	oklab(45.63% -0.0227 -0.1372)
OKLCH	oklch(45.63% 0.139 260.6)
XYZ	xyz(10.4647, 9.2230, 35.8719)
Luminance	0.0922 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2553A3 #A37525

analogous

#2592A3 #2553A3 #3625A3

triadic

#2553A3 #A32553 #53A325

tetradic

#2553A3 #A32592 #A37525 #25A336

square

#2553A3 #A32592 #A37525 #25A336

split-complementary

#2553A3 #A33625 #92A325

monochromatic

#0E203F #1A3A71 #2553A3 #346DD1 #6691DC

Accessibility & contrast

On white

7.38

#2553A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#2553A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2553A3

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2553A3	#FFFFFF	#000000	##FFFFFF
##2553A3	1.00	7.38	2.84	7.38
#FFFFFF	7.38	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#255CA6

Deuteranopia (green-blind)

#0050A1

Tritanopia (blue-blind)

#006673

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2553a3;
/* rgb */ color: rgb(37, 83, 163);
/* oklch */ color: oklch(45.6% 0.139 260.6);

Tailwind

colors: {
  custom: {
    50: '#7282bf',
    500: '#2553a3',
    950: '#000000',
  },
}

SCSS

$custom: #2553a3;
$custom-light: #7282bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2553a3",
  "rgb": {
    "r": 37,
    "g": 83,
    "b": 163
  },
  "hsl": {
    "h": 218.095,
    "s": 63,
    "l": 39.216
  },
  "oklch": {
    "l": 0.45628,
    "c": 0.13911,
    "h": 260.6
  },
  "luminance": 0.09224
}

Semantic roles & 50–950 ramp

primary

#2553A3

secondary

#C29F62

accent

#AA42E6

background

#F7F7FB

surface

#EDEEF7

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2553A3

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

Preview Lab → · Contrast checker → · Palette generator →