#255E6F#255E6F

#255E6F is a mid, moderate cyan. Relative luminance 0.095; OKLCH L 45.2% C 0.065 H 220.7°. Best body text is #FFFFFF at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#255E6F
RGB	rgb(37, 94, 111)
HSL	hsl(194, 50%, 29%)
HSV	hsv(194, 67%, 44%)
CMYK	cmyk(66.7%, 15.3%, 0%, 56.5%)
CIE-LAB	lab(37.01, -12.78, -15.17)
CIE-LCH	lch(37.01, 19.84, 229.88°)
OKLab	oklab(45.19% -0.0491 -0.0422)
OKLCH	oklch(45.19% 0.065 220.7)
XYZ	xyz(7.6337, 9.5456, 16.4760)
Luminance	0.0955 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255E6F #6F3625

analogous

#256F5B #255E6F #25396F

triadic

#255E6F #6F255E #5E6F25

tetradic

#255E6F #5B256F #6F3625 #396F25

square

#255E6F #5B256F #6F3625 #396F25

split-complementary

#255E6F #6F2539 #6F5B25

monochromatic

#081317 #163741 #255E6F #34859D #4BA8C3

Accessibility & contrast

On white

7.22

#255E6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#255E6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255E6F

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255E6F	#FFFFFF	#000000	##FFFFFF
##255E6F	1.00	7.22	2.91	7.22
#FFFFFF	7.22	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#545C70

Deuteranopia (green-blind)

#49546F

Tritanopia (blue-blind)

#006463

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #255e6f;
/* rgb */ color: rgb(37, 94, 111);
/* oklch */ color: oklch(45.2% 0.065 220.7);

Tailwind

colors: {
  custom: {
    50: '#698b98',
    500: '#255e6f',
    950: '#000000',
  },
}

SCSS

$custom: #255e6f;
$custom-light: #698b98;
$custom-dark: #000000;

JSON

{
  "hex": "#255e6f",
  "rgb": {
    "r": 37,
    "g": 94,
    "b": 111
  },
  "hsl": {
    "h": 193.784,
    "s": 50,
    "l": 29.02
  },
  "oklch": {
    "l": 0.45188,
    "c": 0.06481,
    "h": 220.7
  },
  "luminance": 0.09546
}

Semantic roles & 50–950 ramp

primary

#255E6F

secondary

#A2614E

accent

#6E4EDA

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0D

muted

#7A7D7E

Preview Lab

Preview with #255E6F

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

Preview Lab → · Contrast checker → · Palette generator →