Colour

#DA1725

#DA1725
Red
Dark
Nearest: Crimson

#DA1725 is a red with RGB values 218, 23, 37 and HSL 356°, 81%, 47%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#DA1725#DA1725

HEX#DA1725

RGBrgb(218, 23, 37)

RGB (0–1)0.8549, 0.0902, 0.1451

RGB percentages85.5%, 9%, 14.5%

HSLhsl(355.7, 80.9%, 47.3%)

HSV / HSBhsv(355.7, 89.4%, 85.5%)

CMYK0%, 89.4%, 83%, 14.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,292,773

CSS custom property--colour: #DA1725;

Brightness & contrast

Relative luminance0.15652WCAG 2.x, 0 is black and 1 is white

Perceived brightness121.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.08:1

Contrast with white5.08:1WCAG normal text: AA

Contrast with black4.13:1WCAG normal text: Fail

Greyscale equivalent#414141

Inverted#25E8DA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5E5422no red cones; affects about 1% of men; ΔE 74.7 from the original

Deuteranopia#8C7C19no green cones; the most common form, about 1% of men; ΔE 74.2 from the original

Tritanopia#F10021no blue cones; rare, and affects men and women equally; ΔE 11.4 from the original

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

Contrast with white, large text5.08:1WCAG large text: AAA

Contrast with black, large text4.13:1WCAG large text: AA

Named colours

Crimson · ΔE 12.5 Firebrick · ΔE 17.4 Tomato · ΔE 19.4 Red · ΔE 24.8 Orange red · ΔE 25.6 Dark red · ΔE 26.4

Nearest named CSS colourCrimson (#DC143C)ΔE 12.5, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#17DACC

Analogous#DA1787, #DA6A17

Triadic#25DA17, #1725DA

Split complementary#17DA6A, #1787DA

Tetradic#87DA17, #17DACC, #6A17DA

Tints, shades & saturation

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

Lighter +40%#F9C4C8

Lighter +30%#F4969D

Lighter +20%#EF6872

Lighter +10%#EA3A46

Darker −10%#AC121D

Darker −20%#7E0D15

Darker −30%#50080E

Darker −40%#210406

More saturated +25%#F10011

Less saturated −25%#BC353F

Channel breakdown

R218

G23

B37

Red218 (85.5%)

Green23 (9%)

Blue37 (14.5%)

Hue355.69°

Saturation (HSL)80.91%

Lightness47.25%

Dominant channelRed

Hex per channelR DA · G 17 · B 25

Keep nerding

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

#DA1725

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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