#2553A7#2553A7

#2553A7 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 45.9% C 0.145 H 261.2°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#2553A7
RGB	rgb(37, 83, 167)
HSL	hsl(219, 64%, 40%)
HSV	hsv(219, 78%, 65%)
CMYK	cmyk(77.8%, 50.3%, 0%, 34.5%)
CIE-LAB	lab(36.68, 15.30, -49.72)
CIE-LCH	lch(36.68, 52.02, 287.11°)
OKLab	oklab(45.93% -0.0221 -0.143)
OKLCH	oklch(45.93% 0.145 261.2)
XYZ	xyz(10.8287, 9.3686, 37.7893)
Luminance	0.0937 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2553A7 #A77925

analogous

#2594A7 #2553A7 #3825A7

triadic

#2553A7 #A72553 #53A725

tetradic

#2553A7 #A72594 #A77925 #25A738

square

#2553A7 #A72594 #A77925 #25A738

split-complementary

#2553A7 #A73825 #94A725

monochromatic

#0F2143 #1A3A75 #2553A7 #376ED3 #6992DE

Accessibility & contrast

On white

7.31

#2553A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#2553A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2553A7

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2553A7	#FFFFFF	#000000	##FFFFFF
##2553A7	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#205DAA

Deuteranopia (green-blind)

#0051A5

Tritanopia (blue-blind)

#006775

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2553a7;
/* rgb */ color: rgb(37, 83, 167);
/* oklch */ color: oklch(45.9% 0.145 261.2);

Tailwind

colors: {
  custom: {
    50: '#7382c2',
    500: '#2553a7',
    950: '#000000',
  },
}

SCSS

$custom: #2553a7;
$custom-light: #7382c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2553a7",
  "rgb": {
    "r": 37,
    "g": 83,
    "b": 167
  },
  "hsl": {
    "h": 218.769,
    "s": 63.725,
    "l": 40
  },
  "oklch": {
    "l": 0.45926,
    "c": 0.14467,
    "h": 261.2
  },
  "luminance": 0.0937
}

Semantic roles & 50–950 ramp

primary

#2553A7

secondary

#C4A264

accent

#AC41E7

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2553A7

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

Preview Lab → · Contrast checker → · Palette generator →