Recognised as Colour

#B23F3D

#B23F3D
Red
Dark
Nearest: Brown

#B23F3D is a red with RGB values 178, 63, 61 and HSL 1°, 49%, 47%. It is a dark colour, so white text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Brown.

Colour values

#B23F3D#B23F3D

HEX#B23F3D

RGBrgb(178, 63, 61)

RGB (0–1)0.698, 0.2471, 0.2392

RGB percentages69.8%, 24.7%, 23.9%

HSLhsl(1, 49%, 46.9%)

HSV / HSBhsv(1, 65.7%, 69.8%)

CMYK0%, 64.6%, 65.7%, 30.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,681,597

CSS custom property--colour: #B23F3D;

Brightness & contrast

Relative luminance0.13357WCAG 2.x, 0 is black and 1 is white

Perceived brightness110.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.72:1

Contrast with white5.72:1WCAG normal text: AA

Contrast with black3.67:1WCAG normal text: Fail

Greyscale equivalent#575757

Inverted#4DC0C2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5D573Cno red cones; affects about 1% of men; ΔE 50.2 from the original

Deuteranopia#7A6F3Ano green cones; the most common form, about 1% of men; ΔE 50.2 from the original

Tritanopia#C32540no blue cones; rare, and affects men and women equally; ΔE 14.7 from the original

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

Contrast with white, large text5.72:1WCAG large text: AAA

Contrast with black, large text3.67:1WCAG large text: AA

Named colours

Brown · ΔE 7.6 Indian red · ΔE 11.2 Firebrick · ΔE 15 Sienna · ΔE 19.5 Maroon · ΔE 21.2 Dark red · ΔE 21.6

Nearest named CSS colourBrown (#A52A2A)ΔE 7.65, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3DB0B2

Analogous#B23D75, #B27A3D

Triadic#3DB23F, #3F3DB2

Split complementary#3DB279, #3D76B2

Tetradic#76B23D, #3DB0B2, #7A3DB2

Tints, shades & saturation

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

Lighter +40%#EECECD

Lighter +30%#E1A8A7

Lighter +20%#D48381

Lighter +10%#C75D5B

Darker −10%#8C3230

Darker −20%#662423

Darker −30%#401716

Darker −40%#1A0909

More saturated +25%#D0221F

Less saturated −25%#945C5B

Channel breakdown

R178

G63

B61

Red178 (69.8%)

Green63 (24.7%)

Blue61 (23.9%)

Hue1.03°

Saturation (HSL)48.95%

Lightness46.86%

Dominant channelRed

Hex per channelR B2 · G 3F · B 3D

Keep nerding

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

#B23F3D

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

Nerdulate something else