#258CAB#258CAB

#258CAB is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 59.7% C 0.101 H 223.1°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX#258CAB
RGBrgb(37, 140, 171)
HSLhsl(194, 64%, 41%)
HSVhsv(194, 78%, 67%)
CMYKcmyk(78.4%, 18.1%, 0%, 32.9%)
CIE-LABlab(54.12, -17.85, -24.53)
CIE-LCHlch(54.12, 30.34, 233.95°)
OKLaboklab(59.71% -0.0736 -0.0687)
OKLCHoklch(59.71% 0.101 223.1)
XYZxyz(17.4887, 22.0876, 41.8618)
Luminance0.2209 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#258CAB #AB4425
analogous
#25AB87 #258CAB #2549AB
triadic
#258CAB #AB258C #8CAB25
tetradic
#258CAB #8725AB #AB4425 #49AB25
square
#258CAB #8725AB #AB4425 #49AB25
split-complementary
#258CAB #AB2549 #AB8725
monochromatic
#0F3A46 #1A6379 #258CAB #39B0D4 #6BC4DF

Accessibility & contrast

On white

3.88
#258CAB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.42
#258CAB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258CAB
5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##258CAB#FFFFFF#000000##000000
##258CAB1.003.885.425.42
#FFFFFF3.881.0021.0021.00
#0000005.4221.001.001.00
##0000005.4221.001.001.00

Color blindness preview

Protanopia (red-blind)
#7A89AD
Deuteranopia (green-blind)
#687CAB
Tritanopia (blue-blind)
#009696
Achromatopsia (no color)
#818181

Design tokens & code

CSS
--color: #258cab;
/* rgb */ color: rgb(37, 140, 171);
/* oklch */ color: oklch(59.7% 0.101 223.1);
Tailwind
colors: {
  custom: {
    50: '#75adc4',
    500: '#258cab',
    950: '#000000',
  },
}
SCSS
$custom: #258cab;
$custom-light: #75adc4;
$custom-dark: #000000;
JSON
{
  "hex": "#258cab",
  "rgb": {
    "r": 37,
    "g": 140,
    "b": 171
  },
  "hsl": {
    "h": 193.881,
    "s": 64.423,
    "l": 40.784
  },
  "oklch": {
    "l": 0.59712,
    "c": 0.10068,
    "h": 223.1
  },
  "luminance": 0.2209
}

Semantic roles & 50–950 ramp

primary
#258CAB
secondary
#C57C67
accent
#6740E7
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A1012
muted
#7C7F81

Preview Lab

Preview with #258CAB

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

Preview Lab → · Contrast checker → · Palette generator →

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