#255B70#255B70

#255B70 is a dark, moderate cyan. Relative luminance 0.090; OKLCH L 44.4% C 0.066 H 226.8°. Best body text is #FFFFFF at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#255B70
RGB	rgb(37, 91, 112)
HSL	hsl(197, 50%, 29%)
HSV	hsv(197, 67%, 44%)
CMYK	cmyk(67%, 18.7%, 0%, 56.1%)
CIE-LAB	lab(36.07, -10.67, -17.24)
CIE-LCH	lch(36.07, 20.28, 238.24°)
OKLab	oklab(44.45% -0.0452 -0.0481)
OKLCH	oklch(44.45% 0.066 226.8)
XYZ	xyz(7.4275, 9.0446, 16.6804)
Luminance	0.0905 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255B70 #703A25

analogous

#257060 #255B70 #253670

triadic

#255B70 #70255B #5B7025

tetradic

#255B70 #602570 #703A25 #367025

square

#255B70 #602570 #703A25 #367025

split-complementary

#255B70 #702536 #706025

monochromatic

#081317 #163642 #255B70 #34809E #4CA2C4

Accessibility & contrast

On white

7.48

#255B70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#255B70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255B70

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255B70	#FFFFFF	#000000	##FFFFFF
##255B70	1.00	7.48	2.81	7.48
#FFFFFF	7.48	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#505971

Deuteranopia (green-blind)

#455170

Tritanopia (blue-blind)

#006162

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #255b70;
/* rgb */ color: rgb(37, 91, 112);
/* oklch */ color: oklch(44.4% 0.066 226.8);

Tailwind

colors: {
  custom: {
    50: '#698999',
    500: '#255b70',
    950: '#000000',
  },
}

SCSS

$custom: #255b70;
$custom-light: #698999;
$custom-dark: #000000;

JSON

{
  "hex": "#255b70",
  "rgb": {
    "r": 37,
    "g": 91,
    "b": 112
  },
  "hsl": {
    "h": 196.8,
    "s": 50.336,
    "l": 29.216
  },
  "oklch": {
    "l": 0.44446,
    "c": 0.06604,
    "h": 226.8
  },
  "luminance": 0.09045
}

Semantic roles & 50–950 ramp

primary

#255B70

secondary

#A3664E

accent

#754EDA

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070B0D

muted

#7A7C7E

Preview Lab

Preview with #255B70

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

Preview Lab → · Contrast checker → · Palette generator →