#258AAC#258AAC

#258AAC is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.3% C 0.102 H 225.7°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX#258AAC
RGBrgb(37, 138, 172)
HSLhsl(195, 65%, 41%)
HSVhsv(195, 78%, 67%)
CMYKcmyk(78.5%, 19.8%, 0%, 32.5%)
CIE-LABlab(53.54, -16.42, -26.00)
CIE-LCHlch(53.54, 30.75, 237.72°)
OKLaboklab(59.26% -0.0712 -0.0729)
OKLCHoklch(59.26% 0.102 225.7)
XYZxyz(17.2947, 21.5467, 42.2692)
Luminance0.2155 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#258AAC #AC4725
analogous
#25AC8A #258AAC #2546AC
triadic
#258AAC #AC258A #8AAC25
tetradic
#258AAC #8A25AC #AC4725 #46AC25
square
#258AAC #8A25AC #AC4725 #46AC25
split-complementary
#258AAC #AC2546 #AC8A25
monochromatic
#0F3947 #1A627A #258AAC #3AAED5 #6CC2DF

Accessibility & contrast

On white

3.95
#258AAC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.31
#258AAC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258AAC
5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##258AAC#FFFFFF#000000##000000
##258AAC1.003.955.315.31
#FFFFFF3.951.0021.0021.00
#0000005.3121.001.001.00
##0000005.3121.001.001.00

Color blindness preview

Protanopia (red-blind)
#7787AE
Deuteranopia (green-blind)
#657AAC
Tritanopia (blue-blind)
#009495
Achromatopsia (no color)
#808080

Design tokens & code

CSS
--color: #258aac;
/* rgb */ color: rgb(37, 138, 172);
/* oklch */ color: oklch(59.3% 0.102 225.7);
Tailwind
colors: {
  custom: {
    50: '#75acc4',
    500: '#258aac',
    950: '#000000',
  },
}
SCSS
$custom: #258aac;
$custom-light: #75acc4;
$custom-dark: #000000;
JSON
{
  "hex": "#258aac",
  "rgb": {
    "r": 37,
    "g": 138,
    "b": 172
  },
  "hsl": {
    "h": 195.111,
    "s": 64.593,
    "l": 40.98
  },
  "oklch": {
    "l": 0.59263,
    "c": 0.10194,
    "h": 225.7
  },
  "luminance": 0.21549
}

Semantic roles & 50–950 ramp

primary
#258AAC
secondary
#C67F67
accent
#6A40E8
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A1012
muted
#7C7F81

Preview Lab

Preview with #258AAC

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

Preview Lab → · Contrast checker → · Palette generator →

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