#258BAB#258BAB

#258BAB is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 59.5% C 0.101 H 224.0°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX#258BAB
RGBrgb(37, 139, 171)
HSLhsl(194, 64%, 41%)
HSVhsv(194, 78%, 67%)
CMYKcmyk(78.4%, 18.7%, 0%, 32.9%)
CIE-LABlab(53.81, -17.31, -25.01)
CIE-LCHlch(53.81, 30.42, 235.31°)
OKLaboklab(59.46% -0.0726 -0.0701)
OKLCHoklch(59.46% 0.101 224)
XYZxyz(17.3432, 21.7967, 41.8133)
Luminance0.2180 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#258BAB #AB4525
analogous
#25AB88 #258BAB #2548AB
triadic
#258BAB #AB258B #8BAB25
tetradic
#258BAB #8825AB #AB4525 #48AB25
square
#258BAB #8825AB #AB4525 #48AB25
split-complementary
#258BAB #AB2548 #AB8825
monochromatic
#0F3946 #1A6279 #258BAB #39AFD4 #6BC3DF

Accessibility & contrast

On white

3.92
#258BAB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.36
#258BAB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258BAB
5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##258BAB#FFFFFF#000000##000000
##258BAB1.003.925.365.36
#FFFFFF3.921.0021.0021.00
#0000005.3621.001.001.00
##0000005.3621.001.001.00

Color blindness preview

Protanopia (red-blind)
#7988AD
Deuteranopia (green-blind)
#677BAB
Tritanopia (blue-blind)
#009595
Achromatopsia (no color)
#818181

Design tokens & code

CSS
--color: #258bab;
/* rgb */ color: rgb(37, 139, 171);
/* oklch */ color: oklch(59.5% 0.101 224.0);
Tailwind
colors: {
  custom: {
    50: '#75adc4',
    500: '#258bab',
    950: '#000000',
  },
}
SCSS
$custom: #258bab;
$custom-light: #75adc4;
$custom-dark: #000000;
JSON
{
  "hex": "#258bab",
  "rgb": {
    "r": 37,
    "g": 139,
    "b": 171
  },
  "hsl": {
    "h": 194.328,
    "s": 64.423,
    "l": 40.784
  },
  "oklch": {
    "l": 0.59464,
    "c": 0.10091,
    "h": 224
  },
  "luminance": 0.21799
}

Semantic roles & 50–950 ramp

primary
#258BAB
secondary
#C57D67
accent
#6840E7
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A1012
muted
#7C7F81

Preview Lab

Preview with #258BAB

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

Preview Lab → · Contrast checker → · Palette generator →

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