#2555E3#2555E3

#2555E3 is a mid, highly saturated blue. Relative luminance 0.124; OKLCH L 51.3% C 0.221 H 264.9°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#2555E3
RGB	rgb(37, 85, 227)
HSL	hsl(225, 77%, 52%)
HSV	hsv(225, 84%, 89%)
CMYK	cmyk(83.7%, 62.6%, 0%, 11%)
CIE-LAB	lab(41.90, 36.89, -76.11)
CIE-LCH	lch(41.90, 84.58, 295.86°)
OKLab	oklab(51.31% -0.0198 -0.2204)
OKLCH	oklch(51.31% 0.221 264.9)
XYZ	xyz(17.8717, 12.4341, 74.1162)
Luminance	0.1244 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2555E3 #E3B325

analogous

#25B4E3 #2555E3 #5425E3

triadic

#2555E3 #E32555 #55E325

tetradic

#2555E3 #E325B4 #E3B325 #25E354

square

#2555E3 #E325B4 #E3B325 #25E354

split-complementary

#2555E3 #E35425 #B4E325

monochromatic

#102C7D #173FB4 #2555E3 #5B7FEA #91AAF1

Accessibility & contrast

On white

6.02

#2555E3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#2555E3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2555E3

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2555E3	#FFFFFF	#000000	##FFFFFF
##2555E3	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CE8

Deuteranopia (green-blind)

#005AE0

Tritanopia (blue-blind)

#007B94

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #2555e3;
/* rgb */ color: rgb(37, 85, 227);
/* oklch */ color: oklch(51.3% 0.221 264.9);

Tailwind

colors: {
  custom: {
    50: '#8284ed',
    500: '#2555e3',
    950: '#000000',
  },
}

SCSS

$custom: #2555e3;
$custom-light: #8284ed;
$custom-dark: #000000;

JSON

{
  "hex": "#2555e3",
  "rgb": {
    "r": 37,
    "g": 85,
    "b": 227
  },
  "hsl": {
    "h": 224.842,
    "s": 77.236,
    "l": 51.765
  },
  "oklch": {
    "l": 0.51309,
    "c": 0.22133,
    "h": 264.9
  },
  "luminance": 0.12436
}

Semantic roles & 50–950 ramp

primary

#2555E3

secondary

#DCC788

accent

#C334F4

background

#F9F8FE

surface

#F1EFFD

border

#CBCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #2555E3

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

Preview Lab → · Contrast checker → · Palette generator →