Colour

#1D4759

#1D4759
Cyan
Dark
Nearest: Dark slate grey

#1D4759 is a cyan with RGB values 29, 71, 89 and HSL 198°, 51%, 23%. It is a dark colour, so white text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#1D4759#1D4759

HEX#1D4759

RGBrgb(29, 71, 89)

RGB (0–1)0.1137, 0.2784, 0.349

RGB percentages11.4%, 27.8%, 34.9%

HSLhsl(198, 50.8%, 23.1%)

HSV / HSBhsv(198, 67.4%, 34.9%)

CMYK67.4%, 20.2%, 0%, 65.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,918,809

CSS custom property--colour: #1D4759;

Brightness & contrast

Relative luminance0.05489WCAG 2.x, 0 is black and 1 is white

Perceived brightness64.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.01:1

Contrast with white10.01:1WCAG normal text: AAA

Contrast with black2.1:1WCAG normal text: Fail

Greyscale equivalent#3F3F3F

Inverted#E2B8A6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3E465Ano red cones; affects about 1% of men; ΔE 10.7 from the original

Deuteranopia#354059no green cones; the most common form, about 1% of men; ΔE 11.1 from the original

Tritanopia#004C4Dno blue cones; rare, and affects men and women equally; ΔE 14.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text10.01:1WCAG large text: AAA

Contrast with black, large text2.1:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 12.2 Dim grey · ΔE 23.7 Slate grey · ΔE 25.9 Light slate grey · ΔE 28.8 Teal · ΔE 29.5 Steel blue · ΔE 30.1

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 12.23, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#592F1D

Analogous#1D594D, #1D2959

Triadic#591D47, #47591D

Split complementary#591D29, #594D1D

Tetradic#4D1D59, #592F1D, #29591D

Tints, shades & saturation

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

Lighter +40%#71B4D1

Lighter +30%#4BA0C4

Lighter +20%#3684A6

Lighter +10%#2A667F

Darker −10%#102833

Darker −20%#040A0C

Darker −30%#000000

Darker −40%#000000

More saturated +25%#0E4D68

Less saturated −25%#2C414A

Channel breakdown

R29

G71

B89

Red29 (11.4%)

Green71 (27.8%)

Blue89 (34.9%)

Hue198°

Saturation (HSL)50.85%

Lightness23.14%

Dominant channelBlue

Hex per channelR 1D · G 47 · B 59

Keep nerding

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

#1D4759

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

Nerdulate something else