#255DA0#255DA0

#255DA0 is a mid, vivid cyan. Relative luminance 0.108; OKLCH L 47.7% C 0.123 H 254.9°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#255DA0
RGB	rgb(37, 93, 160)
HSL	hsl(213, 62%, 39%)
HSV	hsv(213, 77%, 63%)
CMYK	cmyk(76.9%, 41.9%, 0%, 37.3%)
CIE-LAB	lab(39.17, 6.00, -41.55)
CIE-LCH	lch(39.17, 41.98, 278.22°)
OKLab	oklab(47.7% -0.032 -0.1188)
OKLCH	oklch(47.7% 0.123 254.9)
XYZ	xyz(11.0201, 10.7588, 34.7468)
Luminance	0.1076 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255DA0 #A06825

analogous

#259AA0 #255DA0 #2A25A0

triadic

#255DA0 #A0255D #5DA025

tetradic

#255DA0 #A0259A #A06825 #25A02A

square

#255DA0 #A0259A #A06825 #25A02A

split-complementary

#255DA0 #A02A25 #9AA025

monochromatic

#0E233D #1A406E #255DA0 #327AD0 #649ADB

Accessibility & contrast

On white

6.66

#255DA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#255DA0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255DA0

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255DA0	#FFFFFF	#000000	##FFFFFF
##255DA0	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D62A3

Deuteranopia (green-blind)

#28579F

Tritanopia (blue-blind)

#006D76

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #255da0;
/* rgb */ color: rgb(37, 93, 160);
/* oklch */ color: oklch(47.7% 0.123 254.9);

Tailwind

colors: {
  custom: {
    50: '#728abc',
    500: '#255da0',
    950: '#000000',
  },
}

SCSS

$custom: #255da0;
$custom-light: #728abc;
$custom-dark: #000000;

JSON

{
  "hex": "#255da0",
  "rgb": {
    "r": 37,
    "g": 93,
    "b": 160
  },
  "hsl": {
    "h": 212.683,
    "s": 62.437,
    "l": 38.627
  },
  "oklch": {
    "l": 0.477,
    "c": 0.12301,
    "h": 254.9
  },
  "luminance": 0.1076
}

Semantic roles & 50–950 ramp

primary

#255DA0

secondary

#C19560

accent

#9B42E6

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #255DA0

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

Preview Lab → · Contrast checker → · Palette generator →