Recognised as Colour

#661D30

#661D30
Red
Dark
Nearest: Brown

#661D30 is a red with RGB values 102, 29, 48 and HSL 344°, 56%, 26%. It is a dark colour, so white text on it reaches 11.8:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#661D30#661D30

HEX#661D30

RGBrgb(102, 29, 48)

RGB (0–1)0.4, 0.1137, 0.1882

RGB percentages40%, 11.4%, 18.8%

HSLhsl(344.4, 55.7%, 25.7%)

HSV / HSBhsv(344.4, 71.6%, 40%)

CMYK0%, 71.6%, 52.9%, 60%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,692,144

CSS custom property--colour: #661D30;

Brightness & contrast

Relative luminance0.03917WCAG 2.x, 0 is black and 1 is white

Perceived brightness62.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.78:1

Contrast with white11.78:1WCAG normal text: AAA

Contrast with black1.78:1WCAG normal text: Fail

Greyscale equivalent#2E2E2E

Inverted#99E2CF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2E2E30no red cones; affects about 1% of men; ΔE 34.8 from the original

Deuteranopia#413D2Eno green cones; the most common form, about 1% of men; ΔE 35.6 from the original

Tritanopia#701025no blue cones; rare, and affects men and women equally; ΔE 10.8 from the original

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

Contrast with white, large text11.78:1WCAG large text: AAA

Contrast with black, large text1.78:1WCAG large text: Fail

Named colours

Brown · ΔE 32.2 Maroon · ΔE 34.9 Indian red · ΔE 35.6 Sienna · ΔE 36.2 Saddle brown · ΔE 38.4 Dark red · ΔE 39.3

Nearest named CSS colourBrown (#A52A2A)ΔE 32.2, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1D6653

Analogous#661D55, #662E1D

Triadic#30661D, #1D3066

Split complementary#1D662E, #1D5566

Tetradic#55661D, #1D6653, #2E1D66

Tints, shades & saturation

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

Lighter +40%#D87790

Lighter +30%#CD4F70

Lighter +20%#B53455

Lighter +10%#8E2843

Darker −10%#3E121D

Darker −20%#17060B

Darker −30%#000000

Darker −40%#000000

More saturated +25%#760D28

Less saturated −25%#562D38

Channel breakdown

R102

G29

B48

Red102 (40%)

Green29 (11.4%)

Blue48 (18.8%)

Hue344.38°

Saturation (HSL)55.73%

Lightness25.69%

Dominant channelRed

Hex per channelR 66 · G 1D · B 30

Keep nerding

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

#661D30

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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