#255CAB#255CAB

#255CAB is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.2% C 0.139 H 258.0°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#255CAB
RGB	rgb(37, 92, 171)
HSL	hsl(215, 64%, 41%)
HSV	hsv(215, 78%, 67%)
CMYK	cmyk(78.4%, 46.2%, 0%, 32.9%)
CIE-LAB	lab(39.56, 10.93, -47.46)
CIE-LCH	lch(39.56, 48.71, 282.97°)
OKLab	oklab(48.22% -0.0289 -0.1362)
OKLCH	oklch(48.22% 0.139 258)
XYZ	xyz(11.9381, 10.9865, 40.0116)
Luminance	0.1099 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255CAB #AB7425

analogous

#259FAB #255CAB #3125AB

triadic

#255CAB #AB255C #5CAB25

tetradic

#255CAB #AB259F #AB7425 #25AB31

square

#255CAB #AB259F #AB7425 #25AB31

split-complementary

#255CAB #AB3125 #9FAB25

monochromatic

#0F2646 #1A4179 #255CAB #3979D4 #6B9BDF

Accessibility & contrast

On white

6.57

#255CAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#255CAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255CAB

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255CAB	#FFFFFF	#000000	##FFFFFF
##255CAB	1.00	6.57	3.20	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3264AE

Deuteranopia (green-blind)

#1258A9

Tritanopia (blue-blind)

#006F7B

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #255cab;
/* rgb */ color: rgb(37, 92, 171);
/* oklch */ color: oklch(48.2% 0.139 258.0);

Tailwind

colors: {
  custom: {
    50: '#7489c4',
    500: '#255cab',
    950: '#000000',
  },
}

SCSS

$custom: #255cab;
$custom-light: #7489c4;
$custom-dark: #000000;

JSON

{
  "hex": "#255cab",
  "rgb": {
    "r": 37,
    "g": 92,
    "b": 171
  },
  "hsl": {
    "h": 215.373,
    "s": 64.423,
    "l": 40.784
  },
  "oklch": {
    "l": 0.48219,
    "c": 0.1392,
    "h": 258
  },
  "luminance": 0.10988
}

Semantic roles & 50–950 ramp

primary

#255CAB

secondary

#C59E67

accent

#A340E7

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#090B13

muted

#7B7C82

Preview Lab

Preview with #255CAB

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

Preview Lab → · Contrast checker → · Palette generator →