#2555CA#2555CA

#2555CA is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.1% C 0.189 H 263.8°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#2555CA
RGB	rgb(37, 85, 202)
HSL	hsl(223, 69%, 47%)
HSV	hsv(223, 82%, 79%)
CMYK	cmyk(81.7%, 57.9%, 0%, 20.8%)
CIE-LAB	lab(39.84, 27.52, -65.15)
CIE-LCH	lch(39.84, 70.72, 292.90°)
OKLab	oklab(49.14% -0.0203 -0.1883)
OKLCH	oklch(49.14% 0.189 263.8)
XYZ	xyz(14.6683, 11.1528, 57.2453)
Luminance	0.1115 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2555CA #CA9A25

analogous

#25A8CA #2555CA #4725CA

triadic

#2555CA #CA2555 #55CA25

tetradic

#2555CA #CA25A8 #CA9A25 #25CA47

square

#2555CA #CA25A8 #CA9A25 #25CA47

split-complementary

#2555CA #CA4725 #A8CA25

monochromatic

#122963 #1C3F96 #2555CA #4E78DF #819FE8

Accessibility & contrast

On white

6.50

#2555CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#2555CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2555CA

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2555CA	#FFFFFF	#000000	##FFFFFF
##2555CA	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CE

Deuteranopia (green-blind)

#0057C8

Tritanopia (blue-blind)

#007387

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2555ca;
/* rgb */ color: rgb(37, 85, 202);
/* oklch */ color: oklch(49.1% 0.189 263.8);

Tailwind

colors: {
  custom: {
    50: '#7c84db',
    500: '#2555ca',
    950: '#000000',
  },
}

SCSS

$custom: #2555ca;
$custom-light: #7c84db;
$custom-dark: #000000;

JSON

{
  "hex": "#2555ca",
  "rgb": {
    "r": 37,
    "g": 85,
    "b": 202
  },
  "hsl": {
    "h": 222.545,
    "s": 69.038,
    "l": 46.863
  },
  "oklch": {
    "l": 0.49135,
    "c": 0.18942,
    "h": 263.8
  },
  "luminance": 0.11155
}

Semantic roles & 50–950 ramp

primary

#2555CA

secondary

#D1B87A

accent

#B93CEC

background

#F8F8FD

surface

#EFEFFB

border

#CACAD4

text

#0B0A15

muted

#7C7C83

Preview Lab

Preview with #2555CA

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

Preview Lab → · Contrast checker → · Palette generator →