#255CAE#255CAE

#255CAE is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.4% C 0.143 H 258.6°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#255CAE
RGB	rgb(37, 92, 174)
HSL	hsl(216, 65%, 41%)
HSV	hsv(216, 79%, 68%)
CMYK	cmyk(78.7%, 47.1%, 0%, 31.8%)
CIE-LAB	lab(39.75, 12.10, -48.92)
CIE-LCH	lch(39.75, 50.40, 283.89°)
OKLab	oklab(48.43% -0.0283 -0.1405)
OKLCH	oklch(48.43% 0.143 258.6)
XYZ	xyz(12.2273, 11.1022, 41.5347)
Luminance	0.1110 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255CAE #AE7725

analogous

#25A1AE #255CAE #3225AE

triadic

#255CAE #AE255C #5CAE25

tetradic

#255CAE #AE25A1 #AE7725 #25AE32

square

#255CAE #AE25A1 #AE7725 #25AE32

split-complementary

#255CAE #AE3225 #A1AE25

monochromatic

#102749 #1A417C #255CAE #3B79D5 #6D9BE0

Accessibility & contrast

On white

6.52

#255CAE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#255CAE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255CAE

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255CAE	#FFFFFF	#000000	##FFFFFF
##255CAE	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F64B1

Deuteranopia (green-blind)

#0858AC

Tritanopia (blue-blind)

#00707C

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #255cae;
/* rgb */ color: rgb(37, 92, 174);
/* oklch */ color: oklch(48.4% 0.143 258.6);

Tailwind

colors: {
  custom: {
    50: '#7589c7',
    500: '#255cae',
    950: '#000000',
  },
}

SCSS

$custom: #255cae;
$custom-light: #7589c7;
$custom-dark: #000000;

JSON

{
  "hex": "#255cae",
  "rgb": {
    "r": 37,
    "g": 92,
    "b": 174
  },
  "hsl": {
    "h": 215.912,
    "s": 64.929,
    "l": 41.373
  },
  "oklch": {
    "l": 0.48432,
    "c": 0.1433,
    "h": 258.6
  },
  "luminance": 0.11104
}

Semantic roles & 50–950 ramp

primary

#255CAE

secondary

#C6A168

accent

#A440E8

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #255CAE

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

Preview Lab → · Contrast checker → · Palette generator →