#255D7A#255D7A

#255D7A is a mid, moderate cyan. Relative luminance 0.096; OKLCH L 45.5% C 0.075 H 234.5°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).

Color values

HEX#255D7A
RGBrgb(37, 93, 122)
HSLhsl(200, 53%, 31%)
HSVhsv(200, 70%, 48%)
CMYKcmyk(69.7%, 23.8%, 0%, 52.2%)
CIE-LABlab(37.16, -8.32, -21.72)
CIE-LCHlch(37.16, 23.25, 249.04°)
OKLaboklab(45.46% -0.0435 -0.061)
OKLCHoklch(45.46% 0.075 234.5)
XYZxyz(8.1888, 9.6263, 19.8351)
Luminance0.0963 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#255D7A #7A4225
analogous
#257A6C #255D7A #25327A
triadic
#255D7A #7A255D #5D7A25
tetradic
#255D7A #6C257A #7A4225 #327A25
square
#255D7A #6C257A #7A4225 #327A25
split-complementary
#255D7A #7A2532 #7A6C25
monochromatic
#09151C #17394B #255D7A #3381A9 #50A0CA

Accessibility & contrast

On white

7.18
#255D7A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.93
#255D7A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255D7A
7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##255D7A#FFFFFF#000000##FFFFFF
##255D7A1.007.182.937.18
#FFFFFF7.181.0021.001.00
#0000002.9321.001.0021.00
##FFFFFF7.181.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4F5C7B
Deuteranopia (green-blind)
#43547A
Tritanopia (blue-blind)
#006567
Achromatopsia (no color)
#575757

Design tokens & code

CSS
--color: #255d7a;
/* rgb */ color: rgb(37, 93, 122);
/* oklch */ color: oklch(45.5% 0.075 234.5);
Tailwind
colors: {
  custom: {
    50: '#6a8aa0',
    500: '#255d7a',
    950: '#000000',
  },
}
SCSS
$custom: #255d7a;
$custom-light: #6a8aa0;
$custom-dark: #000000;
JSON
{
  "hex": "#255d7a",
  "rgb": {
    "r": 37,
    "g": 93,
    "b": 122
  },
  "hsl": {
    "h": 200.471,
    "s": 53.459,
    "l": 31.176
  },
  "oklch": {
    "l": 0.45464,
    "c": 0.07491,
    "h": 234.5
  },
  "luminance": 0.09627
}

Semantic roles & 50–950 ramp

primary
#255D7A
secondary
#AC6E4E
accent
#7D4BDD
background
#F6F8F9
surface
#ECF0F2
border
#C7CBCC
text
#070B0E
muted
#7A7C7E

Preview Lab

Preview with #255D7A

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

Preview Lab → · Contrast checker → · Palette generator →

#255D7A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva