#28658C#28658C

#28658C is a mid, moderate cyan. Relative luminance 0.117; OKLCH L 48.5% C 0.088 H 240.3°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX#28658C
RGBrgb(40, 101, 140)
HSLhsl(203, 56%, 35%)
HSVhsv(203, 71%, 55%)
CMYKcmyk(71.4%, 27.9%, 0%, 45.1%)
CIE-LABlab(40.66, -6.13, -27.21)
CIE-LCHlch(40.66, 27.89, 257.30°)
OKLaboklab(48.54% -0.0438 -0.0767)
OKLCHoklch(48.54% 0.088 240.3)
XYZxyz(10.2605, 11.6508, 26.5139)
Luminance0.1165 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#28658C #8C4F28
analogous
#288C81 #28658C #28338C
triadic
#28658C #8C2865 #658C28
tetradic
#28658C #81288C #8C4F28 #338C28
square
#28658C #81288C #8C4F28 #338C28
split-complementary
#28658C #8C2833 #8C8128
monochromatic
#0D202D #1A435C #28658C #3687BC #5EA4D1

Accessibility & contrast

On white

6.31
#28658C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.33
#28658C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28658C
6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##28658C#FFFFFF#000000##FFFFFF
##28658C1.006.313.336.31
#FFFFFF6.311.0021.001.00
#0000003.3321.001.0021.00
##FFFFFF6.311.0021.001.00

Color blindness preview

Protanopia (red-blind)
#53658E
Deuteranopia (green-blind)
#455C8B
Tritanopia (blue-blind)
#006F72
Achromatopsia (no color)
#606060

Design tokens & code

CSS
--color: #28658c;
/* rgb */ color: rgb(40, 101, 140);
/* oklch */ color: oklch(48.5% 0.088 240.3);
Tailwind
colors: {
  custom: {
    50: '#6f90ad',
    500: '#28658c',
    950: '#000000',
  },
}
SCSS
$custom: #28658c;
$custom-light: #6f90ad;
$custom-dark: #000000;
JSON
{
  "hex": "#28658c",
  "rgb": {
    "r": 40,
    "g": 101,
    "b": 140
  },
  "hsl": {
    "h": 203.4,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.48542,
    "c": 0.08836,
    "h": 240.3
  },
  "luminance": 0.11652
}

Semantic roles & 50–950 ramp

primary
#28658C
secondary
#B67E5A
accent
#8349DF
background
#F7F8FA
surface
#EDF0F4
border
#C8CBCE
text
#080C10
muted
#7B7D7F

Preview Lab

Preview with #28658C

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

Preview Lab → · Contrast checker → · Palette generator →

#28658C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva