#C33D28#C33D28

#C33D28 is a mid, vivid red. Relative luminance 0.151; OKLCH L 55.2% C 0.174 H 31.7°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX#C33D28
RGBrgb(195, 61, 40)
HSLhsl(8, 66%, 46%)
HSVhsv(8, 79%, 76%)
CMYKcmyk(0%, 68.7%, 79.5%, 23.5%)
CIE-LABlab(45.77, 52.24, 42.14)
CIE-LCHlch(45.77, 67.11, 38.89°)
OKLaboklab(55.24% 0.1482 0.0914)
OKLCHoklch(55.24% 0.174 31.7)
XYZxyz(24.5603, 15.0965, 3.6278)
Luminance0.1509 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C33D28 #28AEC3
analogous
#C32860 #C33D28 #C38A28
triadic
#C33D28 #28C33D #3D28C3
tetradic
#C33D28 #60C328 #28AEC3 #8A28C3
square
#C33D28 #60C328 #28AEC3 #8A28C3
split-complementary
#C33D28 #28C38A #2860C3
monochromatic
#5D1D13 #902D1E #C33D28 #DB614E #E58E80

Accessibility & contrast

On white

5.23
#C33D28 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.02
#C33D28 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C33D28
5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C33D28#FFFFFF#000000##FFFFFF
##C33D281.005.234.025.23
#FFFFFF5.231.0021.001.00
#0000004.0221.001.0021.00
##FFFFFF5.231.0021.001.00

Color blindness preview

Protanopia (red-blind)
#645A24
Deuteranopia (green-blind)
#857722
Tritanopia (blue-blind)
#D70C39
Achromatopsia (no color)
#6C6C6C

Design tokens & code

CSS
--color: #c33d28;
/* rgb */ color: rgb(195, 61, 40);
/* oklch */ color: oklch(55.2% 0.174 31.7);
Tailwind
colors: {
  custom: {
    50: '#de7a64',
    500: '#c33d28',
    950: '#000000',
  },
}
SCSS
$custom: #c33d28;
$custom-light: #de7a64;
$custom-dark: #000000;
JSON
{
  "hex": "#c33d28",
  "rgb": {
    "r": 195,
    "g": 61,
    "b": 40
  },
  "hsl": {
    "h": 8.129,
    "s": 65.957,
    "l": 46.078
  },
  "oklch": {
    "l": 0.55243,
    "c": 0.17407,
    "h": 31.7
  },
  "luminance": 0.15093
}

Semantic roles & 50–950 ramp

primary
#C33D28
secondary
#79C2CE
accent
#D2E93F
background
#FEF7F6
surface
#FDEEEB
border
#D5C9C6
text
#170A05
muted
#857C7A

Preview Lab

Preview with #C33D28

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

Preview Lab → · Contrast checker → · Palette generator →

#C33D28 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva