Recognised as Colour
#ED1100
- #ED1100
- Red
- Dark
- Nearest: Red
#ED1100 is a red with RGB values 237, 17, 0 and HSL 4°, 100%, 46%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Red.
Colour values
#ED1100#ED1100
HEX#ED1100
RGBrgb(237, 17, 0)
RGB (0–1)0.9294, 0.0667, 0
RGB percentages92.9%, 6.7%, 0%
HSLhsl(4.3, 100%, 46.5%)
HSV / HSBhsv(4.3, 100%, 92.9%)
CMYK0%, 92.8%, 100%, 7.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,536,384
CSS custom property--colour: #ED1100;
Brightness & contrast
Relative luminance0.18405WCAG 2.x, 0 is black and 1 is white
Perceived brightness130.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.68:1
Contrast with white4.49:1WCAG normal text: Fail
Contrast with black4.68:1WCAG normal text: AA
Greyscale equivalent#3F3F3F
Inverted#12EEFF
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.49:1WCAG large text: AA
Contrast with black, large text4.68:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#00DCED
Analogous#ED0065, #ED8800
Triadic#00ED11, #1100ED
Split complementary#00ED88, #0065ED
Tetradic#65ED00, #00DCED, #8800ED
Tints, shades & saturation
Channel breakdown
R237
G17
B0
Red237 (92.9%)
Green17 (6.7%)
Blue0 (0%)
Hue4.3°
Saturation (HSL)100%
Lightness46.47%
Dominant channelRed
Hex per channelR ED · G 11 · B 00
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Nerdulate something else
Nothing in mind? Surprise me · today’s page