#258DA5#258DA5

#258DA5 is a mid, moderate cyan. Relative luminance 0.222; OKLCH L 59.7% C 0.097 H 217.3°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX#258DA5
RGBrgb(37, 141, 165)
HSLhsl(191, 63%, 40%)
HSVhsv(191, 78%, 65%)
CMYKcmyk(77.6%, 14.5%, 0%, 35.3%)
CIE-LABlab(54.19, -20.42, -20.97)
CIE-LCHlch(54.19, 29.27, 225.76°)
OKLaboklab(59.69% -0.0769 -0.0586)
OKLCHoklch(59.69% 0.097 217.3)
XYZxyz(17.0765, 22.1576, 38.9669)
Luminance0.2216 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#258DA5 #A53D25
analogous
#25A57D #258DA5 #254DA5
triadic
#258DA5 #A5258D #8DA525
tetradic
#258DA5 #7D25A5 #A53D25 #4DA525
square
#258DA5 #7D25A5 #A53D25 #4DA525
split-complementary
#258DA5 #A5254D #A57D25
monochromatic
#0F3841 #1A6273 #258DA5 #35B4D2 #67C7DD

Accessibility & contrast

On white

3.87
#258DA5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.43
#258DA5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258DA5
5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##258DA5#FFFFFF#000000##000000
##258DA51.003.875.435.43
#FFFFFF3.871.0021.0021.00
#0000005.4321.001.001.00
##0000005.4321.001.001.00

Color blindness preview

Protanopia (red-blind)
#7D89A6
Deuteranopia (green-blind)
#6C7CA5
Tritanopia (blue-blind)
#009595
Achromatopsia (no color)
#828282

Design tokens & code

CSS
--color: #258da5;
/* rgb */ color: rgb(37, 141, 165);
/* oklch */ color: oklch(59.7% 0.097 217.3);
Tailwind
colors: {
  custom: {
    50: '#75aebf',
    500: '#258da5',
    950: '#000000',
  },
}
SCSS
$custom: #258da5;
$custom-light: #75aebf;
$custom-dark: #000000;
JSON
{
  "hex": "#258da5",
  "rgb": {
    "r": 37,
    "g": 141,
    "b": 165
  },
  "hsl": {
    "h": 191.25,
    "s": 63.366,
    "l": 39.608
  },
  "oklch": {
    "l": 0.59693,
    "c": 0.09671,
    "h": 217.3
  },
  "luminance": 0.2216
}

Semantic roles & 50–950 ramp

primary
#258DA5
secondary
#C37563
accent
#6041E6
background
#F7FAFB
surface
#EEF4F7
border
#C9CED0
text
#0A1012
muted
#7C7F81

Preview Lab

Preview with #258DA5

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

Preview Lab → · Contrast checker → · Palette generator →

#258DA5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva