#2553C9#2553C9

#2553C9 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.7% C 0.191 H 264.2°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#2553C9
RGB	rgb(37, 83, 201)
HSL	hsl(223, 69%, 47%)
HSV	hsv(223, 82%, 79%)
CMYK	cmyk(81.6%, 58.7%, 0%, 21.2%)
CIE-LAB	lab(39.23, 28.45, -65.55)
CIE-LCH	lch(39.23, 71.46, 293.46°)
OKLab	oklab(48.66% -0.0192 -0.1895)
OKLCH	oklch(48.66% 0.191 264.2)
XYZ	xyz(14.3951, 10.7951, 56.5720)
Luminance	0.1080 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2553C9 #C99B25

analogous

#25A5C9 #2553C9 #4925C9

triadic

#2553C9 #C92553 #53C925

tetradic

#2553C9 #C925A5 #C99B25 #25C949

square

#2553C9 #C925A5 #C99B25 #25C949

split-complementary

#2553C9 #C94925 #A5C925

monochromatic

#122862 #1B3E95 #2553C9 #4D76DE #819EE8

Accessibility & contrast

On white

6.65

#2553C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#2553C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2553C9

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2553C9	#FFFFFF	#000000	##FFFFFF
##2553C9	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064CD

Deuteranopia (green-blind)

#0055C7

Tritanopia (blue-blind)

#007186

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #2553c9;
/* rgb */ color: rgb(37, 83, 201);
/* oklch */ color: oklch(48.7% 0.191 264.2);

Tailwind

colors: {
  custom: {
    50: '#7c82da',
    500: '#2553c9',
    950: '#000000',
  },
}

SCSS

$custom: #2553c9;
$custom-light: #7c82da;
$custom-dark: #000000;

JSON

{
  "hex": "#2553c9",
  "rgb": {
    "r": 37,
    "g": 83,
    "b": 201
  },
  "hsl": {
    "h": 223.171,
    "s": 68.908,
    "l": 46.667
  },
  "oklch": {
    "l": 0.48658,
    "c": 0.19051,
    "h": 264.2
  },
  "luminance": 0.10797
}

Semantic roles & 50–950 ramp

primary

#2553C9

secondary

#D0B879

accent

#BA3CEC

background

#F8F7FD

surface

#EFEEFB

border

#CAC9D4

text

#0B0A15

muted

#7C7C83

Preview Lab

Preview with #2553C9

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

Preview Lab → · Contrast checker → · Palette generator →