#255BA6#255BA6

#255BA6 is a mid, vivid cyan. Relative luminance 0.106; OKLCH L 47.6% C 0.134 H 257.5°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#255BA6
RGB	rgb(37, 91, 166)
HSL	hsl(215, 64%, 40%)
HSV	hsv(215, 78%, 65%)
CMYK	cmyk(77.7%, 45.2%, 0%, 34.9%)
CIE-LAB	lab(38.95, 9.63, -45.48)
CIE-LCH	lch(38.95, 46.49, 281.96°)
OKLab	oklab(47.64% -0.029 -0.1304)
OKLCH	oklch(47.64% 0.134 257.5)
XYZ	xyz(11.3844, 10.6273, 37.5203)
Luminance	0.1063 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255BA6 #A67025

analogous

#259BA6 #255BA6 #3025A6

triadic

#255BA6 #A6255B #5BA625

tetradic

#255BA6 #A6259B #A67025 #25A630

square

#255BA6 #A6259B #A67025 #25A630

split-complementary

#255BA6 #A63025 #9BA625

monochromatic

#0F2442 #1A4074 #255BA6 #3677D2 #6899DD

Accessibility & contrast

On white

6.72

#255BA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#255BA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255BA6

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255BA6	#FFFFFF	#000000	##FFFFFF
##255BA6	1.00	6.72	3.13	6.72
#FFFFFF	6.72	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3462A9

Deuteranopia (green-blind)

#1956A4

Tritanopia (blue-blind)

#006D78

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #255ba6;
/* rgb */ color: rgb(37, 91, 166);
/* oklch */ color: oklch(47.6% 0.134 257.5);

Tailwind

colors: {
  custom: {
    50: '#7388c1',
    500: '#255ba6',
    950: '#000000',
  },
}

SCSS

$custom: #255ba6;
$custom-light: #7388c1;
$custom-dark: #000000;

JSON

{
  "hex": "#255ba6",
  "rgb": {
    "r": 37,
    "g": 91,
    "b": 166
  },
  "hsl": {
    "h": 214.884,
    "s": 63.547,
    "l": 39.804
  },
  "oklch": {
    "l": 0.47644,
    "c": 0.13354,
    "h": 257.5
  },
  "luminance": 0.10629
}

Semantic roles & 50–950 ramp

primary

#255BA6

secondary

#C39B64

accent

#A141E7

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #255BA6

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

Preview Lab → · Contrast checker → · Palette generator →