Colour

#1F1950

#1F1950
Blue
Dark
Nearest: Midnight blue

#1F1950 is a blue with RGB values 31, 25, 80 and HSL 247°, 52%, 21%. It is a dark colour, so white text on it reaches 16:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#1F1950#1F1950

HEX#1F1950

RGBrgb(31, 25, 80)

RGB (0–1)0.1216, 0.098, 0.3137

RGB percentages12.2%, 9.8%, 31.4%

HSLhsl(246.5, 52.4%, 20.6%)

HSV / HSBhsv(246.5, 68.8%, 31.4%)

CMYK61.2%, 68.8%, 0%, 68.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,038,096

CSS custom property--colour: #1F1950;

Brightness & contrast

Relative luminance0.01566WCAG 2.x, 0 is black and 1 is white

Perceived brightness37.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.99:1

Contrast with white15.99:1WCAG normal text: AAA

Contrast with black1.31:1WCAG normal text: Fail

Greyscale equivalent#1E1E1E

Inverted#E0E6AF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#002352no red cones; affects about 1% of men; ΔE 11.4 from the original

Deuteranopia#00204Fno green cones; the most common form, about 1% of men; ΔE 10.4 from the original

Tritanopia#072631no blue cones; rare, and affects men and women equally; ΔE 35.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text15.99:1WCAG large text: AAA

Contrast with black, large text1.31:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 20.1 Dark slateblue · ΔE 20.7 Rebecca purple · ΔE 33 Indigo · ΔE 37.8 Black · ΔE 41 Navy · ΔE 41.5

Nearest named CSS colourMidnight blue (#191970)ΔE 20.13, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#4A5019

Analogous#192F50, #3A1950

Triadic#501F19, #19501F

Split complementary#503B19, #2E5019

Tetradic#50192F, #4A5019, #19503A

Tints, shades & saturation

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

Lighter +40%#7166CF

Lighter +30%#4D3FC3

Lighter +20%#3D319E

Lighter +10%#2E2577

Darker −10%#100D29

Darker −20%#010102

Darker −30%#000000

Darker −40%#000000

More saturated +25%#150C5D

Less saturated −25%#292643

Channel breakdown

R31

G25

B80

Red31 (12.2%)

Green25 (9.8%)

Blue80 (31.4%)

Hue246.55°

Saturation (HSL)52.38%

Lightness20.59%

Dominant channelBlue

Hex per channelR 1F · G 19 · B 50

Keep nerding

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#1F1950

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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