#2555A9#2555A9

#2555A9 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 46.5% C 0.145 H 260.7°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#2555A9
RGB	rgb(37, 85, 169)
HSL	hsl(218, 64%, 40%)
HSV	hsv(218, 78%, 66%)
CMYK	cmyk(78.1%, 49.7%, 0%, 33.7%)
CIE-LAB	lab(37.40, 14.76, -49.76)
CIE-LCH	lch(37.40, 51.90, 286.52°)
OKLab	oklab(46.52% -0.0234 -0.1431)
OKLCH	oklch(46.52% 0.145 260.7)
XYZ	xyz(11.1703, 9.7536, 38.8223)
Luminance	0.0975 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2555A9 #A97925

analogous

#2597A9 #2555A9 #3725A9

triadic

#2555A9 #A92555 #55A925

tetradic

#2555A9 #A92597 #A97925 #25A937

square

#2555A9 #A92597 #A97925 #25A937

split-complementary

#2555A9 #A93725 #97A925

monochromatic

#0F2245 #1A3C77 #2555A9 #3870D3 #6A94DE

Accessibility & contrast

On white

7.12

#2555A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#2555A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2555A9

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2555A9	#FFFFFF	#000000	##FFFFFF
##2555A9	1.00	7.12	2.95	7.12
#FFFFFF	7.12	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#235EAC

Deuteranopia (green-blind)

#0052A7

Tritanopia (blue-blind)

#006977

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2555a9;
/* rgb */ color: rgb(37, 85, 169);
/* oklch */ color: oklch(46.5% 0.145 260.7);

Tailwind

colors: {
  custom: {
    50: '#7484c3',
    500: '#2555a9',
    950: '#000000',
  },
}

SCSS

$custom: #2555a9;
$custom-light: #7484c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2555a9",
  "rgb": {
    "r": 37,
    "g": 85,
    "b": 169
  },
  "hsl": {
    "h": 218.182,
    "s": 64.078,
    "l": 40.392
  },
  "oklch": {
    "l": 0.46515,
    "c": 0.14497,
    "h": 260.7
  },
  "luminance": 0.09755
}

Semantic roles & 50–950 ramp

primary

#2555A9

secondary

#C4A265

accent

#AB41E7

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2555A9

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

Preview Lab → · Contrast checker → · Palette generator →