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Recognised as Colour

#1D3033

  • #1D3033
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#1D3033 is a cyan with RGB values 29, 48, 51 and HSL 188°, 28%, 16%. It is a dark colour, so white text on it reaches 13.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#1D3033#1D3033
HEX#1D3033
RGBrgb(29, 48, 51)
RGB (0–1)0.1137, 0.1882, 0.2
RGB percentages11.4%, 18.8%, 20%
HSLhsl(188.2, 27.5%, 15.7%)
HSV / HSBhsv(188.2, 43.1%, 20%)
CMYK43.1%, 5.9%, 0%, 80%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,912,883
CSS custom property--colour: #1D3033;

Brightness & contrast

Relative luminance0.02614WCAG 2.x, 0 is black and 1 is white
Perceived brightness43.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.79:1
Contrast with white13.79:1WCAG normal text: AAA
Contrast with black1.52:1WCAG normal text: Fail
Greyscale equivalent#2C2C2C
Inverted#E2CFCC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2D2F33no red cones; affects about 1% of men; ΔE 7.1 from the original
Deuteranopia#292C33no green cones; the most common form, about 1% of men; ΔE 7.3 from the original
Tritanopia#143231no blue cones; rare, and affects men and women equally; ΔE 5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.79:1WCAG large text: AAA
Contrast with black, large text1.52:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 13.8Black · ΔE 20.1Dim grey · ΔE 27.2Slate grey · ΔE 35.3Gray · ΔE 36.1Teal · ΔE 37.4
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 13.78, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#33201D
Analogous#1D332B, #1D2533
Triadic#331D30, #30331D
Split complementary#331D25, #332B1D
Tetradic#2B1D33, #33201D, #25331D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6FA5AD
Lighter +30%#548C95
Lighter +20%#426D74
Lighter +10%#2F4F54
Darker −10%#0B1112
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#13373D
Less saturated −25%#272929

Channel breakdown

R29
G48
B51
Red29 (11.4%)
Green48 (18.8%)
Blue51 (20%)
Hue188.18°
Saturation (HSL)27.5%
Lightness15.69%
Dominant channelBlue
Hex per channelR 1D · G 30 · B 33

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Every value on this page was computed from “1d3033” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.