Colour

#103D4F

#103D4F
Cyan
Dark
Nearest: Dark slate grey

#103D4F is a cyan with RGB values 16, 61, 79 and HSL 197°, 66%, 19%. It is a dark colour, so white text on it reaches 11.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#103D4F#103D4F

HEX#103D4F

RGBrgb(16, 61, 79)

RGB (0–1)0.0627, 0.2392, 0.3098

RGB percentages6.3%, 23.9%, 31%

HSLhsl(197.1, 66.3%, 18.6%)

HSV / HSBhsv(197.1, 79.7%, 31%)

CMYK79.7%, 22.8%, 0%, 69%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,064,271

CSS custom property--colour: #103D4F;

Brightness & contrast

Relative luminance0.04012WCAG 2.x, 0 is black and 1 is white

Perceived brightness54.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.65:1

Contrast with white11.65:1WCAG normal text: AAA

Contrast with black1.8:1WCAG normal text: Fail

Greyscale equivalent#353535

Inverted#EFC2B0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#343C50no red cones; affects about 1% of men; ΔE 10.7 from the original

Deuteranopia#2B364Fno green cones; the most common form, about 1% of men; ΔE 11.3 from the original

Tritanopia#004243no blue cones; rare, and affects men and women equally; ΔE 13.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text11.65:1WCAG large text: AAA

Contrast with black, large text1.8:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 14.3 Dim grey · ΔE 27 Black · ΔE 29.4 Slate grey · ΔE 30.1 Teal · ΔE 32.8 Light slate grey · ΔE 33

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 14.26, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#4F2210

Analogous#104F41, #101E4F

Triadic#4F103D, #3D4F10

Split complementary#4F101E, #4F4110

Tetradic#42104F, #4F2210, #1E4F10

Tints, shades & saturation

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

Lighter +40%#50B3DB

Lighter +30%#2A9FCE

Lighter +20%#217EA4

Lighter +10%#195E79

Darker −10%#071C25

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#04425B

Less saturated −25%#1C3843

Channel breakdown

R16

G61

B79

Red16 (6.3%)

Green61 (23.9%)

Blue79 (31%)

Hue197.14°

Saturation (HSL)66.32%

Lightness18.63%

Dominant channelBlue

Hex per channelR 10 · G 3D · B 4F

Keep nerding

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

#103D4F

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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