#2555AF#2555AF

#2555AF is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.0% C 0.153 H 261.5°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#2555AF
RGB	rgb(37, 85, 175)
HSL	hsl(219, 65%, 42%)
HSV	hsv(219, 79%, 69%)
CMYK	cmyk(78.9%, 51.4%, 0%, 31.4%)
CIE-LAB	lab(37.81, 17.10, -52.64)
CIE-LCH	lch(37.81, 55.35, 287.99°)
OKLab	oklab(46.97% -0.0226 -0.1515)
OKLCH	oklch(46.97% 0.153 261.5)
XYZ	xyz(11.7465, 9.9841, 41.8572)
Luminance	0.0998 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2555AF #AF7F25

analogous

#259AAF #2555AF #3A25AF

triadic

#2555AF #AF2555 #55AF25

tetradic

#2555AF #AF259A #AF7F25 #25AF3A

square

#2555AF #AF259A #AF7F25 #25AF3A

split-complementary

#2555AF #AF3A25 #9AAF25

monochromatic

#10244A #1A3C7C #2555AF #3C71D6 #6E96E0

Accessibility & contrast

On white

7.01

#2555AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#2555AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2555AF

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2555AF	#FFFFFF	#000000	##FFFFFF
##2555AF	1.00	7.01	3.00	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A60B2

Deuteranopia (green-blind)

#0053AD

Tritanopia (blue-blind)

#006B7A

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2555af;
/* rgb */ color: rgb(37, 85, 175);
/* oklch */ color: oklch(47.0% 0.153 261.5);

Tailwind

colors: {
  custom: {
    50: '#7584c7',
    500: '#2555af',
    950: '#000000',
  },
}

SCSS

$custom: #2555af;
$custom-light: #7584c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2555af",
  "rgb": {
    "r": 37,
    "g": 85,
    "b": 175
  },
  "hsl": {
    "h": 219.13,
    "s": 65.094,
    "l": 41.569
  },
  "oklch": {
    "l": 0.46967,
    "c": 0.15322,
    "h": 261.5
  },
  "luminance": 0.09985
}

Semantic roles & 50–950 ramp

primary

#2555AF

secondary

#C7A669

accent

#AE40E8

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2555AF

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

Preview Lab → · Contrast checker → · Palette generator →