#CB3D38#CB3D38

#CB3D38 is a mid, vivid red. Relative luminance 0.163; OKLCH L 56.8% C 0.180 H 26.6°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX#CB3D38
RGBrgb(203, 61, 56)
HSLhsl(2, 59%, 51%)
HSVhsv(2, 72%, 80%)
CMYKcmyk(0%, 70%, 72.4%, 20.4%)
CIE-LABlab(47.40, 55.48, 35.51)
CIE-LCHlch(47.40, 65.87, 32.62°)
OKLaboklab(56.79% 0.1606 0.0806)
OKLCHoklch(56.79% 0.18 26.6)
XYZxyz(27.0142, 16.3236, 5.4689)
Luminance0.1632 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#CB3D38 #38C6CB
analogous
#CB387C #CB3D38 #CB8638
triadic
#CB3D38 #38CB3D #3D38CB
tetradic
#CB3D38 #7CCB38 #38C6CB #8638CB
square
#CB3D38 #7CCB38 #38C6CB #8638CB
split-complementary
#CB3D38 #38CB86 #387CCB
monochromatic
#6C1F1C #9D2D29 #CB3D38 #D86C69 #E49C99

Accessibility & contrast

On white

4.92
#CB3D38 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.26
#CB3D38 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3D38
4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##CB3D38#FFFFFF#000000##FFFFFF
##CB3D381.004.924.264.92
#FFFFFF4.921.0021.001.00
#0000004.2621.001.0021.00
##FFFFFF4.921.0021.001.00

Color blindness preview

Protanopia (red-blind)
#665D36
Deuteranopia (green-blind)
#897C33
Tritanopia (blue-blind)
#DF083D
Achromatopsia (no color)
#707070

Design tokens & code

CSS
--color: #cb3d38;
/* rgb */ color: rgb(203, 61, 56);
/* oklch */ color: oklch(56.8% 0.180 26.6);
Tailwind
colors: {
  custom: {
    50: '#e37b6f',
    500: '#cb3d38',
    950: '#000000',
  },
}
SCSS
$custom: #cb3d38;
$custom-light: #e37b6f;
$custom-dark: #000000;
JSON
{
  "hex": "#cb3d38",
  "rgb": {
    "r": 203,
    "g": 61,
    "b": 56
  },
  "hsl": {
    "h": 2.041,
    "s": 58.566,
    "l": 50.784
  },
  "oklch": {
    "l": 0.56786,
    "c": 0.17969,
    "h": 26.6
  },
  "luminance": 0.1632
}

Semantic roles & 50–950 ramp

primary
#CB3D38
secondary
#8FCED0
accent
#DCE246
background
#FFF7F6
surface
#FEEEEC
border
#D6C9C7
text
#170A07
muted
#857C7A

Preview Lab

Preview with #CB3D38

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

Preview Lab → · Contrast checker → · Palette generator →

#CB3D38 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva