#28548C#28548C

#28548C is a dark, moderate cyan. Relative luminance 0.087; OKLCH L 44.4% C 0.105 H 255.6°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX#28548C
RGBrgb(40, 84, 140)
HSLhsl(214, 56%, 35%)
HSVhsv(214, 71%, 55%)
CMYKcmyk(71.4%, 40%, 0%, 45.1%)
CIE-LABlab(35.37, 4.58, -35.54)
CIE-LCHlch(35.37, 35.84, 277.35°)
OKLaboklab(44.39% -0.026 -0.1013)
OKLCHoklch(44.39% 0.105 255.6)
XYZxyz(8.7773, 8.6843, 26.0195)
Luminance0.0868 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#28548C #8C6028
analogous
#28868C #28548C #2E288C
triadic
#28548C #8C2854 #548C28
tetradic
#28548C #8C2886 #8C6028 #288C2E
square
#28548C #8C2886 #8C6028 #288C2E
split-complementary
#28548C #8C2E28 #868C28
monochromatic
#0D1B2D #1A375C #28548C #3671BC #5E90D1

Accessibility & contrast

On white

7.67
#28548C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.74
#28548C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28548C
7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##28548C#FFFFFF#000000##FFFFFF
##28548C1.007.672.747.67
#FFFFFF7.671.0021.001.00
#0000002.7421.001.0021.00
##FFFFFF7.671.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3A588E
Deuteranopia (green-blind)
#2B4F8B
Tritanopia (blue-blind)
#006169
Achromatopsia (no color)
#535353

Design tokens & code

CSS
--color: #28548c;
/* rgb */ color: rgb(40, 84, 140);
/* oklch */ color: oklch(44.4% 0.105 255.6);
Tailwind
colors: {
  custom: {
    50: '#6f83ae',
    500: '#28548c',
    950: '#000000',
  },
}
SCSS
$custom: #28548c;
$custom-light: #6f83ae;
$custom-dark: #000000;
JSON
{
  "hex": "#28548c",
  "rgb": {
    "r": 40,
    "g": 84,
    "b": 140
  },
  "hsl": {
    "h": 213.6,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.44387,
    "c": 0.10454,
    "h": 255.6
  },
  "luminance": 0.08685
}

Semantic roles & 50–950 ramp

primary
#28548C
secondary
#B68D5A
accent
#9D49DF
background
#F7F8FA
surface
#EDEFF4
border
#C8CACE
text
#080A10
muted
#7B7C7F

Preview Lab

Preview with #28548C

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

Preview Lab → · Contrast checker → · Palette generator →

#28548C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva