Recognised as Colour

#971A01

#971A01
Red
Dark
Nearest: Dark red

#971A01 is a red with RGB values 151, 26, 1 and HSL 10°, 99%, 30%. It is a dark colour, so white text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Dark red.

Colour values

#971A01#971A01

HEX#971A01

RGBrgb(151, 26, 1)

RGB (0–1)0.5922, 0.102, 0.0039

RGB percentages59.2%, 10.2%, 0.4%

HSLhsl(10, 98.7%, 29.8%)

HSV / HSBhsv(10, 99.3%, 59.2%)

CMYK0%, 82.8%, 99.3%, 40.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer9,902,593

CSS custom property--colour: #971A01;

Brightness & contrast

Relative luminance0.0732WCAG 2.x, 0 is black and 1 is white

Perceived brightness84.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.52:1

Contrast with white8.52:1WCAG normal text: AAA

Contrast with black2.46:1WCAG normal text: Fail

Greyscale equivalent#333333

Inverted#68E5FE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#443B00no red cones; affects about 1% of men; ΔE 54 from the original

Deuteranopia#625600no green cones; the most common form, about 1% of men; ΔE 53.2 from the original

Tritanopia#A70017no blue cones; rare, and affects men and women equally; ΔE 11.7 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text8.52:1WCAG large text: AAA

Contrast with black, large text2.46:1WCAG large text: Fail

Named colours

Dark red · ΔE 6.2 Maroon · ΔE 10.2 Firebrick · ΔE 12.1 Brown · ΔE 15.6 Saddle brown · ΔE 23.8 Sienna · ΔE 24.9

Nearest named CSS colourDark red (#8B0000)ΔE 6.24, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#017E97

Analogous#970133, #976501

Triadic#01971A, #1A0197

Split complementary#019765, #013397

Tetradic#339701, #017E97, #650197

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#FE7F66

Lighter +30%#FE5533

Lighter +20%#FC2B02

Lighter +10%#CA2301

Darker −10%#641101

Darker −20%#320900

Darker −30%#000000

Darker −40%#000000

More saturated +25%#981900

Less saturated −25%#842714

Channel breakdown

R151

G26

Red151 (59.2%)

Green26 (10.2%)

Blue1 (0.4%)

Hue10°

Saturation (HSL)98.68%

Lightness29.8%

Dominant channelRed

Hex per channelR 97 · G 1A · B 01

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#971A01

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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