#255BAE#255BAE

#255BAE is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.2% C 0.145 H 259.0°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#255BAE
RGB	rgb(37, 91, 174)
HSL	hsl(216, 65%, 41%)
HSV	hsv(216, 79%, 68%)
CMYK	cmyk(78.7%, 47.7%, 0%, 31.8%)
CIE-LAB	lab(39.46, 12.75, -49.39)
CIE-LCH	lch(39.46, 51.01, 284.48°)
OKLab	oklab(48.21% -0.0275 -0.1419)
OKLCH	oklch(48.21% 0.145 259)
XYZ	xyz(12.1412, 10.9301, 41.5060)
Luminance	0.1093 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255BAE #AE7825

analogous

#25A0AE #255BAE #3325AE

triadic

#255BAE #AE255B #5BAE25

tetradic

#255BAE #AE25A0 #AE7825 #25AE33

square

#255BAE #AE25A0 #AE7825 #25AE33

split-complementary

#255BAE #AE3325 #A0AE25

monochromatic

#102649 #1A417C #255BAE #3B78D5 #6D9BE0

Accessibility & contrast

On white

6.59

#255BAE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#255BAE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255BAE

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255BAE	#FFFFFF	#000000	##FFFFFF
##255BAE	1.00	6.59	3.19	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D64B1

Deuteranopia (green-blind)

#0157AC

Tritanopia (blue-blind)

#006F7C

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #255bae;
/* rgb */ color: rgb(37, 91, 174);
/* oklch */ color: oklch(48.2% 0.145 259.0);

Tailwind

colors: {
  custom: {
    50: '#7588c7',
    500: '#255bae',
    950: '#000000',
  },
}

SCSS

$custom: #255bae;
$custom-light: #7588c7;
$custom-dark: #000000;

JSON

{
  "hex": "#255bae",
  "rgb": {
    "r": 37,
    "g": 91,
    "b": 174
  },
  "hsl": {
    "h": 216.35,
    "s": 64.929,
    "l": 41.373
  },
  "oklch": {
    "l": 0.48209,
    "c": 0.14451,
    "h": 259
  },
  "luminance": 0.10931
}

Semantic roles & 50–950 ramp

primary

#255BAE

secondary

#C6A168

accent

#A640E8

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #255BAE

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

Preview Lab → · Contrast checker → · Palette generator →