Colour

#19374E

#19374E
Blue
Dark
Nearest: Dark slate grey

#19374E is a blue with RGB values 25, 55, 78 and HSL 206°, 51%, 20%. It is a dark colour, so white text on it reaches 12.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#19374E#19374E

HEX#19374E

RGBrgb(25, 55, 78)

RGB (0–1)0.098, 0.2157, 0.3059

RGB percentages9.8%, 21.6%, 30.6%

HSLhsl(206, 51.5%, 20.2%)

HSV / HSBhsv(206, 67.9%, 30.6%)

CMYK67.9%, 29.5%, 0%, 69.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,652,558

CSS custom property--colour: #19374E;

Brightness & contrast

Relative luminance0.03489WCAG 2.x, 0 is black and 1 is white

Perceived brightness51.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.37:1

Contrast with white12.37:1WCAG normal text: AAA

Contrast with black1.7:1WCAG normal text: Fail

Greyscale equivalent#323232

Inverted#E6C8B1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2D374Fno red cones; affects about 1% of men; ΔE 6.2 from the original

Deuteranopia#26324Eno green cones; the most common form, about 1% of men; ΔE 7 from the original

Tritanopia#003D3Fno blue cones; rare, and affects men and women equally; ΔE 17.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text12.37:1WCAG large text: AAA

Contrast with black, large text1.7:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 18.8 Black · ΔE 28.1 Dim grey · ΔE 28.6 Slate grey · ΔE 31.7 Steel blue · ΔE 34 Light slate grey · ΔE 34.6

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 18.77, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#4E3019

Analogous#194E4B, #191C4E

Triadic#4E1937, #374E19

Split complementary#4E191C, #4E4B19

Tetradic#4B194E, #4E3019, #1C4E19

Tints, shades & saturation

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

Lighter +40%#65A0CE

Lighter +30%#3F89C1

Lighter +20%#326D9B

Lighter +10%#255275

Darker −10%#0D1C27

Darker −20%#000101

Darker −30%#000000

Darker −40%#000000

More saturated +25%#0C395B

Less saturated −25%#263541

Channel breakdown

R25

G55

B78

Red25 (9.8%)

Green55 (21.6%)

Blue78 (30.6%)

Hue206.04°

Saturation (HSL)51.46%

Lightness20.2%

Dominant channelBlue

Hex per channelR 19 · G 37 · B 4E

Keep nerding

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#19374E

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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