Recognised as Colour

#1F009D

#1F009D
Blue
Dark
Nearest: Dark blue

#1F009D is a blue with RGB values 31, 0, 157 and HSL 252°, 100%, 31%. It is a dark colour, so white text on it reaches 13.6:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#1F009D#1F009D

HEX#1F009D

RGBrgb(31, 0, 157)

RGB (0–1)0.1216, 0, 0.6157

RGB percentages12.2%, 0%, 61.6%

HSLhsl(251.8, 100%, 30.8%)

HSV / HSBhsv(251.8, 100%, 61.6%)

CMYK80.3%, 100%, 0%, 38.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,031,773

CSS custom property--colour: #1F009D;

Brightness & contrast

Relative luminance0.02726WCAG 2.x, 0 is black and 1 is white

Perceived brightness55.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.59:1

Contrast with white13.59:1WCAG normal text: AAA

Contrast with black1.55:1WCAG normal text: Fail

Greyscale equivalent#121212

Inverted#E0FF62

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0035A1no red cones; affects about 1% of men; ΔE 28.4 from the original

Deuteranopia#00269Bno green cones; the most common form, about 1% of men; ΔE 19.4 from the original

Tritanopia#003E5Ano blue cones; rare, and affects men and women equally; ΔE 80.4 from the original

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

Contrast with white, large text13.59:1WCAG large text: AAA

Contrast with black, large text1.55:1WCAG large text: Fail

Named colours

Dark blue · ΔE 7.8 Navy · ΔE 12.9 Indigo · ΔE 20 Medium blue · ΔE 22.8 Blue violet · ΔE 27.4 Dark orchid · ΔE 29.2

Nearest named CSS colourDark blue (#00008B)ΔE 7.83, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#7E9D00

Analogous#00309D, #6D009D

Triadic#9D1F00, #009D1F

Split complementary#9D6D00, #309D00

Tetradic#9D0030, #7E9D00, #009D6D

Tints, shades & saturation

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

Lighter +40%#876AFF

Lighter +30%#5E37FF

Lighter +20%#3604FF

Lighter +10%#2900D0

Darker −10%#15006A

Darker −20%#0B0037

Darker −30%#010004

Darker −40%#000000

More saturated +25%#1F009D

Less saturated −25%#2B1489

Channel breakdown

R31

B157

Red31 (12.2%)

Green0 (0%)

Blue157 (61.6%)

Hue251.85°

Saturation (HSL)100%

Lightness30.78%

Dominant channelBlue

Hex per channelR 1F · G 00 · B 9D

Keep nerding

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

#1F009D

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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