Colour

#1F2648

#1F2648
Blue
Dark
Nearest: Black

#1F2648 is a blue with RGB values 31, 38, 72 and HSL 230°, 40%, 20%. It is a dark colour, so white text on it reaches 14.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#1F2648#1F2648

HEX#1F2648

RGBrgb(31, 38, 72)

RGB (0–1)0.1216, 0.149, 0.2824

RGB percentages12.2%, 14.9%, 28.2%

HSLhsl(229.8, 39.8%, 20.2%)

HSV / HSBhsv(229.8, 56.9%, 28.2%)

CMYK56.9%, 47.2%, 0%, 71.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,041,416

CSS custom property--colour: #1F2648;

Brightness & contrast

Relative luminance0.02145WCAG 2.x, 0 is black and 1 is white

Perceived brightness41.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.69:1

Contrast with white14.69:1WCAG normal text: AAA

Contrast with black1.43:1WCAG normal text: Fail

Greyscale equivalent#272727

Inverted#E0D9B7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#182A49no red cones; affects about 1% of men; ΔE 4.5 from the original

Deuteranopia#142747no green cones; the most common form, about 1% of men; ΔE 3.9 from the original

Tritanopia#0D2D33no blue cones; rare, and affects men and women equally; ΔE 23.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text14.69:1WCAG large text: AAA

Contrast with black, large text1.43:1WCAG large text: Fail

Named colours

Black · ΔE 28.8 Dark slateblue · ΔE 30.3 Dark slate grey · ΔE 31.2 Midnight blue · ΔE 36 Dim grey · ΔE 36.9 Steel blue · ΔE 39.6

Nearest named CSS colourBlack (#000000)ΔE 28.77, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#48411F

Analogous#1F3B48, #2D1F48

Triadic#481F26, #26481F

Split complementary#482D1F, #3B481F

Tetradic#481F3B, #48411F, #1F482D

Tints, shades & saturation

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

Lighter +40%#717FC2

Lighter +30%#4D5FB3

Lighter +20%#3E4C8F

Lighter +10%#2E396C

Darker −10%#101324

Darker −20%#000001

Darker −30%#000000

Darker −40%#000000

More saturated +25%#121E55

Less saturated −25%#2C2E3B

Channel breakdown

R31

G38

B72

Red31 (12.2%)

Green38 (14.9%)

Blue72 (28.2%)

Hue229.76°

Saturation (HSL)39.81%

Lightness20.2%

Dominant channelBlue

Hex per channelR 1F · G 26 · B 48

Keep nerding

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

#1F2648

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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