#2553A4#2553A4

#2553A4 is a mid, vivid blue. Relative luminance 0.093; OKLCH L 45.7% C 0.141 H 260.8°. Best body text is #FFFFFF at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#2553A4
RGB	rgb(37, 83, 164)
HSL	hsl(218, 63%, 39%)
HSV	hsv(218, 77%, 64%)
CMYK	cmyk(77.4%, 49.4%, 0%, 35.7%)
CIE-LAB	lab(36.48, 14.13, -48.26)
CIE-LCH	lch(36.48, 50.28, 286.32°)
OKLab	oklab(45.7% -0.0225 -0.1387)
OKLCH	oklch(45.7% 0.141 260.8)
XYZ	xyz(10.5546, 9.2590, 36.3457)
Luminance	0.0926 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2553A4 #A47625

analogous

#2593A4 #2553A4 #3725A4

triadic

#2553A4 #A42553 #53A425

tetradic

#2553A4 #A42593 #A47625 #25A437

square

#2553A4 #A42593 #A47625 #25A437

split-complementary

#2553A4 #A43725 #93A425

monochromatic

#0E2040 #1A3A72 #2553A4 #356ED1 #6791DD

Accessibility & contrast

On white

7.36

#2553A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#2553A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2553A4

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2553A4	#FFFFFF	#000000	##FFFFFF
##2553A4	1.00	7.36	2.85	7.36
#FFFFFF	7.36	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#245CA7

Deuteranopia (green-blind)

#0050A2

Tritanopia (blue-blind)

#006673

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2553a4;
/* rgb */ color: rgb(37, 83, 164);
/* oklch */ color: oklch(45.7% 0.141 260.8);

Tailwind

colors: {
  custom: {
    50: '#7382bf',
    500: '#2553a4',
    950: '#000000',
  },
}

SCSS

$custom: #2553a4;
$custom-light: #7382bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2553a4",
  "rgb": {
    "r": 37,
    "g": 83,
    "b": 164
  },
  "hsl": {
    "h": 218.268,
    "s": 63.184,
    "l": 39.412
  },
  "oklch": {
    "l": 0.45702,
    "c": 0.14051,
    "h": 260.8
  },
  "luminance": 0.0926
}

Semantic roles & 50–950 ramp

primary

#2553A4

secondary

#C2A062

accent

#AB42E6

background

#F7F7FB

surface

#EDEEF7

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2553A4

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

Preview Lab → · Contrast checker → · Palette generator →