#255BA3#255BA3

#255BA3 is a mid, vivid cyan. Relative luminance 0.105; OKLCH L 47.4% C 0.129 H 256.8°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#255BA3
RGB	rgb(37, 91, 163)
HSL	hsl(214, 63%, 39%)
HSV	hsv(214, 77%, 64%)
CMYK	cmyk(77.3%, 44.2%, 0%, 36.1%)
CIE-LAB	lab(38.76, 8.47, -44.00)
CIE-LCH	lch(38.76, 44.81, 280.89°)
OKLab	oklab(47.44% -0.0296 -0.126)
OKLCH	oklch(47.44% 0.129 256.8)
XYZ	xyz(11.1125, 10.5185, 36.0878)
Luminance	0.1052 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255BA3 #A36D25

analogous

#259AA3 #255BA3 #2E25A3

triadic

#255BA3 #A3255B #5BA325

tetradic

#255BA3 #A3259A #A36D25 #25A32E

square

#255BA3 #A3259A #A36D25 #25A32E

split-complementary

#255BA3 #A32E25 #9AA325

monochromatic

#0E233F #1A3F71 #255BA3 #3477D1 #6699DC

Accessibility & contrast

On white

6.77

#255BA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#255BA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255BA3

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255BA3	#FFFFFF	#000000	##FFFFFF
##255BA3	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3761A6

Deuteranopia (green-blind)

#1E56A2

Tritanopia (blue-blind)

#006C77

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #255ba3;
/* rgb */ color: rgb(37, 91, 163);
/* oklch */ color: oklch(47.4% 0.129 256.8);

Tailwind

colors: {
  custom: {
    50: '#7288bf',
    500: '#255ba3',
    950: '#000000',
  },
}

SCSS

$custom: #255ba3;
$custom-light: #7288bf;
$custom-dark: #000000;

JSON

{
  "hex": "#255ba3",
  "rgb": {
    "r": 37,
    "g": 91,
    "b": 163
  },
  "hsl": {
    "h": 214.286,
    "s": 63,
    "l": 39.216
  },
  "oklch": {
    "l": 0.47438,
    "c": 0.12942,
    "h": 256.8
  },
  "luminance": 0.1052
}

Semantic roles & 50–950 ramp

primary

#255BA3

secondary

#C29962

accent

#A042E6

background

#F7F8FB

surface

#EDEFF7

border

#C8CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #255BA3

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

Preview Lab → · Contrast checker → · Palette generator →