Nerdulator> put something in

Recognised as Colour

#A90B50

  • #A90B50
  • Red
  • Dark
  • Nearest: Medium violet red

#A90B50 is a red with RGB values 169, 11, 80 and HSL 334°, 88%, 35%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Medium violet red.

Colour values

#A90B50#A90B50
HEX#A90B50
RGBrgb(169, 11, 80)
RGB (0–1)0.6627, 0.0431, 0.3137
RGB percentages66.3%, 4.3%, 31.4%
HSLhsl(333.8, 87.8%, 35.3%)
HSV / HSBhsv(333.8, 93.5%, 66.3%)
CMYK0%, 93.5%, 52.7%, 33.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,078,480
CSS custom property--colour: #A90B50;

Brightness & contrast

Relative luminance0.09254WCAG 2.x, 0 is black and 1 is white
Perceived brightness96.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.37:1
Contrast with white7.37:1WCAG normal text: AAA
Contrast with black2.85:1WCAG normal text: Fail
Greyscale equivalent#323232
Inverted#56F4AF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3E4351no red cones; affects about 1% of men; ΔE 61.3 from the original
Deuteranopia#65604Cno green cones; the most common form, about 1% of men; ΔE 62.8 from the original
Tritanopia#B9002Fno blue cones; rare, and affects men and women equally; ΔE 25.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.37:1WCAG large text: AAA
Contrast with black, large text2.85:1WCAG large text: Fail

Named colours

Medium violet red · ΔE 24.4Brown · ΔE 27.6Indian red · ΔE 28.6Pale violetred · ΔE 28.8Crimson · ΔE 32Deep pink · ΔE 32.8
Nearest named CSS colourMedium violet red (#C71585)ΔE 24.35, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0BA964
Analogous#A90B9F, #A9150B
Triadic#50A90B, #0B50A9
Split complementary#0BA915, #0B9FA9
Tetradic#9FA90B, #0BA964, #150BA9

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F789B9
Lighter +30%#F4599D
Lighter +20%#F12980
Lighter +10%#D90E67
Darker −10%#790839
Darker −20%#490523
Darker −30%#19020C
Darker −40%#000000
More saturated +25%#B4004F
Less saturated −25%#932153

Channel breakdown

R169
G11
B80
Red169 (66.3%)
Green11 (4.3%)
Blue80 (31.4%)
Hue333.8°
Saturation (HSL)87.78%
Lightness35.29%
Dominant channelRed
Hex per channelR A9 · G 0B · B 50

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

Every value on this page was computed from “a90b50” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.