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Colour

#1D534B

  • #1D534B
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#1D534B is a cyan with RGB values 29, 83, 75 and HSL 171°, 48%, 22%. It is a dark colour, so white text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#1D534B#1D534B
HEX#1D534B
RGBrgb(29, 83, 75)
RGB (0–1)0.1137, 0.3255, 0.2941
RGB percentages11.4%, 32.5%, 29.4%
HSLhsl(171.1, 48.2%, 22%)
HSV / HSBhsv(171.1, 65.1%, 32.5%)
CMYK65.1%, 0%, 9.6%, 67.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,921,867
CSS custom property--colour: #1D534B;

Brightness & contrast

Relative luminance0.06956WCAG 2.x, 0 is black and 1 is white
Perceived brightness70.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.78:1
Contrast with white8.78:1WCAG normal text: AAA
Contrast with black2.39:1WCAG normal text: Fail
Greyscale equivalent#474747
Inverted#E2ACB4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4F4E4Bno red cones; affects about 1% of men; ΔE 19.9 from the original
Deuteranopia#47484Cno green cones; the most common form, about 1% of men; ΔE 20.5 from the original
Tritanopia#005550no blue cones; rare, and affects men and women equally; ΔE 4.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.78:1WCAG large text: AAA
Contrast with black, large text2.39:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 8.8Teal · ΔE 20.4Dim grey · ΔE 23.6Dark cyan · ΔE 24.6Slate grey · ΔE 29.4Gray · ΔE 29.6
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 8.79, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#531D25
Analogous#1D5330, #1D4053
Triadic#4B1D53, #534B1D
Split complementary#531D40, #53301D
Tetradic#301D53, #531D25, #40531D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6FCDBF
Lighter +30%#49C0AE
Lighter +20%#379F8F
Lighter +10%#2A796D
Darker −10%#102D29
Darker −20%#030707
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0F6155
Less saturated −25%#2B4541

Channel breakdown

R29
G83
B75
Red29 (11.4%)
Green83 (32.5%)
Blue75 (29.4%)
Hue171.11°
Saturation (HSL)48.21%
Lightness21.96%
Dominant channelGreen
Hex per channelR 1D · G 53 · B 4B

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Every value on this page was computed from “1d534b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.