Colour
#1B1115
- #1B1115
- Red
- Dark
- Nearest: Black
#1B1115 is a red with RGB values 27, 17, 21 and HSL 336°, 23%, 9%. It is a dark colour, so white text on it reaches 18.5:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#1B1115#1B1115
HEX#1B1115
RGBrgb(27, 17, 21)
RGB (0–1)0.1059, 0.0667, 0.0824
RGB percentages10.6%, 6.7%, 8.2%
HSLhsl(336, 22.7%, 8.6%)
HSV / HSBhsv(336, 37%, 10.6%)
CMYK0%, 37%, 22.2%, 89.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,773,845
CSS custom property--colour: #1B1115;
Brightness & contrast
Relative luminance0.00688WCAG 2.x, 0 is black and 1 is white
Perceived brightness20.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.46:1
Contrast with white18.46:1WCAG normal text: AAA
Contrast with black1.14:1WCAG normal text: Fail
Greyscale equivalent#131313
Inverted#E4EEEA
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.46:1WCAG large text: AAA
Contrast with black, large text1.14:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#111B17
Analogous#1B111A, #1B1211
Triadic#151B11, #11151B
Split complementary#111B12, #111A1B
Tetradic#1A1B11, #111B17, #12111B
Tints, shades & saturation
Channel breakdown
R27
G17
B21
Red27 (10.6%)
Green17 (6.7%)
Blue21 (8.2%)
Hue336°
Saturation (HSL)22.73%
Lightness8.63%
Dominant channelRed
Hex per channelR 1B · G 11 · B 15
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