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Recognised as Colour

#1D596D

  • #1D596D
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#1D596D is a cyan with RGB values 29, 89, 109 and HSL 195°, 58%, 27%. It is a dark colour, so white text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#1D596D#1D596D
HEX#1D596D
RGBrgb(29, 89, 109)
RGB (0–1)0.1137, 0.349, 0.4275
RGB percentages11.4%, 34.9%, 42.7%
HSLhsl(195, 58%, 27.1%)
HSV / HSBhsv(195, 73.4%, 42.7%)
CMYK73.4%, 18.3%, 0%, 57.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,923,437
CSS custom property--colour: #1D596D;

Brightness & contrast

Relative luminance0.0851WCAG 2.x, 0 is black and 1 is white
Perceived brightness79.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.77:1
Contrast with white7.77:1WCAG normal text: AAA
Contrast with black2.7:1WCAG normal text: Fail
Greyscale equivalent#4E4E4E
Inverted#E2A692

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4E576Eno red cones; affects about 1% of men; ΔE 14.6 from the original
Deuteranopia#434F6Dno green cones; the most common form, about 1% of men; ΔE 15.6 from the original
Tritanopia#005F5Fno blue cones; rare, and affects men and women equally; ΔE 15.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.77:1WCAG large text: AAA
Contrast with black, large text2.7:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 13.8Slate grey · ΔE 21.3Dim grey · ΔE 22.8Teal · ΔE 23.1Light slate grey · ΔE 23.8Steel blue · ΔE 24.4
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 13.81, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6D311D
Analogous#1D6D59, #1D316D
Triadic#6D1D59, #596D1D
Split complementary#6D1D31, #6D591D
Tetradic#591D6D, #6D311D, #316D1D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7AC3DC
Lighter +30%#52B1D1
Lighter +20%#329BBE
Lighter +10%#287A95
Darker −10%#123845
Darker −20%#08171C
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0C627E
Less saturated −25%#2E505C

Channel breakdown

R29
G89
B109
Red29 (11.4%)
Green89 (34.9%)
Blue109 (42.7%)
Hue195°
Saturation (HSL)57.97%
Lightness27.06%
Dominant channelBlue
Hex per channelR 1D · G 59 · B 6D

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Every value on this page was computed from “1d596d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.