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Recognised as Colour

#113A57

  • #113A57
  • Blue
  • Dark
  • Nearest: Dark slate grey

#113A57 is a blue with RGB values 17, 58, 87 and HSL 205°, 67%, 20%. It is a dark colour, so white text on it reaches 11.9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#113A57#113A57
HEX#113A57
RGBrgb(17, 58, 87)
RGB (0–1)0.0667, 0.2275, 0.3412
RGB percentages6.7%, 22.7%, 34.1%
HSLhsl(204.9, 67.3%, 20.4%)
HSV / HSBhsv(204.9, 80.5%, 34.1%)
CMYK80.5%, 33.3%, 0%, 65.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,129,047
CSS custom property--colour: #113A57;

Brightness & contrast

Relative luminance0.03833WCAG 2.x, 0 is black and 1 is white
Perceived brightness54.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.89:1
Contrast with white11.89:1WCAG normal text: AAA
Contrast with black1.77:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#EEC5A8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2D3B58no red cones; affects about 1% of men; ΔE 6.7 from the original
Deuteranopia#233456no green cones; the most common form, about 1% of men; ΔE 7.6 from the original
Tritanopia#004144no blue cones; rare, and affects men and women equally; ΔE 20.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.89:1WCAG large text: AAA
Contrast with black, large text1.77:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 21.5Dim grey · ΔE 30.4Steel blue · ΔE 31.3Slate grey · ΔE 31.7Black · ΔE 31.7Light slate grey · ΔE 34.4
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 21.48, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#572E11
Analogous#115751, #111757
Triadic#57113A, #3A5711
Split complementary#571117, #575111
Tetradic#511157, #572E11, #175711

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#56A6DE
Lighter +30%#2B8FD6
Lighter +20%#2273AC
Lighter +10%#195682
Darker −10%#091E2C
Darker −20%#000102
Darker −30%#000000
Darker −40%#000000
More saturated +25%#043C64
Less saturated −25%#1E384A

Channel breakdown

R17
G58
B87
Red17 (6.7%)
Green58 (22.7%)
Blue87 (34.1%)
Hue204.86°
Saturation (HSL)67.31%
Lightness20.39%
Dominant channelBlue
Hex per channelR 11 · G 3A · B 57

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Every value on this page was computed from “113a57” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.