Colour

#21103F

#21103F
Violet
Dark
Nearest: Midnight blue

#21103F is a violet with RGB values 33, 16, 63 and HSL 262°, 59%, 15%. It is a dark colour, so white text on it reaches 17.3:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#21103F#21103F

HEX#21103F

RGBrgb(33, 16, 63)

RGB (0–1)0.1294, 0.0627, 0.2471

RGB percentages12.9%, 6.3%, 24.7%

HSLhsl(261.7, 59.5%, 15.5%)

HSV / HSBhsv(261.7, 74.6%, 24.7%)

CMYK47.6%, 74.6%, 0%, 75.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,166,847

CSS custom property--colour: #21103F;

Brightness & contrast

Relative luminance0.01053WCAG 2.x, 0 is black and 1 is white

Perceived brightness30.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.35:1

Contrast with white17.35:1WCAG normal text: AAA

Contrast with black1.21:1WCAG normal text: Fail

Greyscale equivalent#171717

Inverted#DEEFC0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#001B40no red cones; affects about 1% of men; ΔE 14.3 from the original

Deuteranopia#001A3Eno green cones; the most common form, about 1% of men; ΔE 14.5 from the original

Tritanopia#191B25no blue cones; rare, and affects men and women equally; ΔE 27.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.35:1WCAG large text: AAA

Contrast with black, large text1.21:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 25.7 Dark slateblue · ΔE 26.7 Black · ΔE 35.6 Rebecca purple · ΔE 37.7 Indigo · ΔE 41.7 Purple · ΔE 43.7

Nearest named CSS colourMidnight blue (#191970)ΔE 25.73, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2E3F10

Analogous#10173F, #38103F

Triadic#3F2110, #103F21

Split complementary#3F3910, #163F10

Tetradic#3F1017, #2E3F10, #103F38

Tints, shades & saturation

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

Lighter +40%#7B4AD1

Lighter +30%#612FB9

Lighter +20%#4C2590

Lighter +10%#361A68

Darker −10%#0C0616

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#1E0649

Less saturated −25%#241A35

Channel breakdown

R33

G16

B63

Red33 (12.9%)

Green16 (6.3%)

Blue63 (24.7%)

Hue261.7°

Saturation (HSL)59.49%

Lightness15.49%

Dominant channelBlue

Hex per channelR 21 · G 10 · B 3F

Keep nerding

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

#21103F

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