#255DA1#255DA1

#255DA1 is a mid, vivid cyan. Relative luminance 0.108; OKLCH L 47.8% C 0.124 H 255.2°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#255DA1
RGB	rgb(37, 93, 161)
HSL	hsl(213, 63%, 39%)
HSV	hsv(213, 77%, 63%)
CMYK	cmyk(77%, 42.2%, 0%, 36.9%)
CIE-LAB	lab(39.23, 6.39, -42.05)
CIE-LCH	lch(39.23, 42.53, 278.64°)
OKLab	oklab(47.77% -0.0318 -0.1202)
OKLCH	oklch(47.77% 0.124 255.2)
XYZ	xyz(11.1079, 10.7939, 35.2093)
Luminance	0.1080 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255DA1 #A16925

analogous

#259BA1 #255DA1 #2B25A1

triadic

#255DA1 #A1255D #5DA125

tetradic

#255DA1 #A1259B #A16925 #25A12B

square

#255DA1 #A1259B #A16925 #25A12B

split-complementary

#255DA1 #A12B25 #9BA125

monochromatic

#0E243D #1A406F #255DA1 #337AD0 #659ADC

Accessibility & contrast

On white

6.65

#255DA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#255DA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255DA1

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255DA1	#FFFFFF	#000000	##FFFFFF
##255DA1	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C63A4

Deuteranopia (green-blind)

#2657A0

Tritanopia (blue-blind)

#006D77

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #255da1;
/* rgb */ color: rgb(37, 93, 161);
/* oklch */ color: oklch(47.8% 0.124 255.2);

Tailwind

colors: {
  custom: {
    50: '#728abd',
    500: '#255da1',
    950: '#000000',
  },
}

SCSS

$custom: #255da1;
$custom-light: #728abd;
$custom-dark: #000000;

JSON

{
  "hex": "#255da1",
  "rgb": {
    "r": 37,
    "g": 93,
    "b": 161
  },
  "hsl": {
    "h": 212.903,
    "s": 62.626,
    "l": 38.824
  },
  "oklch": {
    "l": 0.47766,
    "c": 0.12437,
    "h": 255.2
  },
  "luminance": 0.10795
}

Semantic roles & 50–950 ramp

primary

#255DA1

secondary

#C19661

accent

#9C42E6

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #255DA1

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

Preview Lab → · Contrast checker → · Palette generator →