Colour

#221A4C

#221A4C
Blue
Dark
Nearest: Dark slateblue

#221A4C is a blue with RGB values 34, 26, 76 and HSL 250°, 49%, 20%. It is a dark colour, so white text on it reaches 15.9:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#221A4C#221A4C

HEX#221A4C

RGBrgb(34, 26, 76)

RGB (0–1)0.1333, 0.102, 0.298

RGB percentages13.3%, 10.2%, 29.8%

HSLhsl(249.6, 49%, 20%)

HSV / HSBhsv(249.6, 65.8%, 29.8%)

CMYK55.3%, 65.8%, 0%, 70.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,234,956

CSS custom property--colour: #221A4C;

Brightness & contrast

Relative luminance0.01601WCAG 2.x, 0 is black and 1 is white

Perceived brightness37.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.91:1

Contrast with white15.91:1WCAG normal text: AAA

Contrast with black1.32:1WCAG normal text: Fail

Greyscale equivalent#1F1F1F

Inverted#DDE5B3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#00234Eno red cones; affects about 1% of men; ΔE 11.7 from the original

Deuteranopia#00214Bno green cones; the most common form, about 1% of men; ΔE 11.6 from the original

Tritanopia#132630no blue cones; rare, and affects men and women equally; ΔE 31.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text15.91:1WCAG large text: AAA

Contrast with black, large text1.32:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 22.5 Midnight blue · ΔE 23.5 Rebecca purple · ΔE 35.3 Black · ΔE 37.9 Indigo · ΔE 40.7 Purple · ΔE 43.5

Nearest named CSS colourDark slateblue (#483D8B)ΔE 22.49, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#444C1A

Analogous#1A2B4C, #3B1A4C

Triadic#4C221A, #1A4C22

Split complementary#4C3B1A, #2B4C1A

Tetradic#4C1A2B, #444C1A, #1A4C3B

Tints, shades & saturation

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

Lighter +40%#7767CB

Lighter +30%#5541BE

Lighter +20%#443498

Lighter +10%#332772

Darker −10%#110D26

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#190D59

Less saturated −25%#2B273F

Channel breakdown

R34

G26

B76

Red34 (13.3%)

Green26 (10.2%)

Blue76 (29.8%)

Hue249.6°

Saturation (HSL)49.02%

Lightness20%

Dominant channelBlue

Hex per channelR 22 · G 1A · B 4C

Keep nerding

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

#221A4C

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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