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Recognised as Colour

#17112F

  • #17112F
  • Blue
  • Dark
  • Nearest: Black

#17112F is a blue with RGB values 23, 17, 47 and HSL 252°, 47%, 13%. It is a dark colour, so white text on it reaches 18.1:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#17112F#17112F
HEX#17112F
RGBrgb(23, 17, 47)
RGB (0–1)0.0902, 0.0667, 0.1843
RGB percentages9%, 6.7%, 18.4%
HSLhsl(252, 46.9%, 12.5%)
HSV / HSBhsv(252, 63.8%, 18.4%)
CMYK51.1%, 63.8%, 0%, 81.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,511,727
CSS custom property--colour: #17112F;

Brightness & contrast

Relative luminance0.00788WCAG 2.x, 0 is black and 1 is white
Perceived brightness24.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.14:1
Contrast with white18.14:1WCAG normal text: AAA
Contrast with black1.16:1WCAG normal text: Fail
Greyscale equivalent#141414
Inverted#E8EED0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#051630no red cones; affects about 1% of men; ΔE 8.1 from the original
Deuteranopia#05152Eno green cones; the most common form, about 1% of men; ΔE 8.4 from the original
Tritanopia#10171Dno blue cones; rare, and affects men and women equally; ΔE 19.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.14:1WCAG large text: AAA
Contrast with black, large text1.16:1WCAG large text: Fail

Named colours

Black · ΔE 23.8Dark slateblue · ΔE 35.8Midnight blue · ΔE 37.2Dark slate grey · ΔE 37.3Dim grey · ΔE 43.6Slate grey · ΔE 48.7
Nearest named CSS colourBlack (#000000)ΔE 23.77, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#292F11
Analogous#111A2F, #26112F
Triadic#2F1711, #112F17
Split complementary#2F2611, #1A2F11
Tetradic#2F111A, #292F11, #112F26

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#644DBF
Lighter +30%#4E3A9F
Lighter +20%#3C2C7A
Lighter +10%#291F54
Darker −10%#05030A
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#120937
Less saturated −25%#1C1927

Channel breakdown

R23
G17
B47
Red23 (9%)
Green17 (6.7%)
Blue47 (18.4%)
Hue252°
Saturation (HSL)46.88%
Lightness12.55%
Dominant channelBlue
Hex per channelR 17 · G 11 · B 2F

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Every value on this page was computed from “17112f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.