#255CAD#255CAD

#255CAD is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.4% C 0.142 H 258.4°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#255CAD
RGB	rgb(37, 92, 173)
HSL	hsl(216, 65%, 41%)
HSV	hsv(216, 79%, 68%)
CMYK	cmyk(78.6%, 46.8%, 0%, 32.2%)
CIE-LAB	lab(39.69, 11.71, -48.44)
CIE-LCH	lch(39.69, 49.83, 283.59°)
OKLab	oklab(48.36% -0.0285 -0.139)
OKLCH	oklch(48.36% 0.142 258.4)
XYZ	xyz(12.1302, 11.0633, 41.0232)
Luminance	0.1106 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255CAD #AD7625

analogous

#25A0AD #255CAD #3225AD

triadic

#255CAD #AD255C #5CAD25

tetradic

#255CAD #AD25A0 #AD7625 #25AD32

square

#255CAD #AD25A0 #AD7625 #25AD32

split-complementary

#255CAD #AD3225 #A0AD25

monochromatic

#0F2648 #1A417B #255CAD #3A79D5 #6D9BE0

Accessibility & contrast

On white

6.54

#255CAD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#255CAD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255CAD

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255CAD	#FFFFFF	#000000	##FFFFFF
##255CAD	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3064B0

Deuteranopia (green-blind)

#0C58AB

Tritanopia (blue-blind)

#006F7C

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #255cad;
/* rgb */ color: rgb(37, 92, 173);
/* oklch */ color: oklch(48.4% 0.142 258.4);

Tailwind

colors: {
  custom: {
    50: '#7489c6',
    500: '#255cad',
    950: '#000000',
  },
}

SCSS

$custom: #255cad;
$custom-light: #7489c6;
$custom-dark: #000000;

JSON

{
  "hex": "#255cad",
  "rgb": {
    "r": 37,
    "g": 92,
    "b": 173
  },
  "hsl": {
    "h": 215.735,
    "s": 64.762,
    "l": 41.176
  },
  "oklch": {
    "l": 0.4836,
    "c": 0.14193,
    "h": 258.4
  },
  "luminance": 0.11065
}

Semantic roles & 50–950 ramp

primary

#255CAD

secondary

#C6A068

accent

#A440E8

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #255CAD

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

Preview Lab → · Contrast checker → · Palette generator →