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Colour

#1D454D

  • #1D454D
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#1D454D is a cyan with RGB values 29, 69, 77 and HSL 190°, 45%, 21%. It is a dark colour, so white text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#1D454D#1D454D
HEX#1D454D
RGBrgb(29, 69, 77)
RGB (0–1)0.1137, 0.2706, 0.302
RGB percentages11.4%, 27.1%, 30.2%
HSLhsl(190, 45.3%, 20.8%)
HSV / HSBhsv(190, 62.3%, 30.2%)
CMYK62.3%, 10.4%, 0%, 69.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,918,285
CSS custom property--colour: #1D454D;

Brightness & contrast

Relative luminance0.05053WCAG 2.x, 0 is black and 1 is white
Perceived brightness61 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.44:1
Contrast with white10.44:1WCAG normal text: AAA
Contrast with black2.01:1WCAG normal text: Fail
Greyscale equivalent#3D3D3D
Inverted#E2BAB2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3F434Dno red cones; affects about 1% of men; ΔE 12.5 from the original
Deuteranopia#373D4Dno green cones; the most common form, about 1% of men; ΔE 13.2 from the original
Tritanopia#004847no blue cones; rare, and affects men and women equally; ΔE 9.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.44:1WCAG large text: AAA
Contrast with black, large text2.01:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 6.9Dim grey · ΔE 22.7Slate grey · ΔE 27.6Teal · ΔE 27.6Gray · ΔE 30.4Light slate grey · ΔE 30.5
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 6.92, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4D251D
Analogous#1D4D3D, #1D2D4D
Triadic#4D1D45, #454D1D
Split complementary#4D1D2D, #4D3D1D
Tetradic#3D1D4D, #4D251D, #2D4D1D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6EB9C8
Lighter +30%#49A7BA
Lighter +20%#398797
Lighter +10%#2B6672
Darker −10%#0F2428
Darker −20%#010303
Darker −30%#000000
Darker −40%#000000
More saturated +25%#104E5A
Less saturated −25%#2A3C40

Channel breakdown

R29
G69
B77
Red29 (11.4%)
Green69 (27.1%)
Blue77 (30.2%)
Hue190°
Saturation (HSL)45.28%
Lightness20.78%
Dominant channelBlue
Hex per channelR 1D · G 45 · B 4D

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Every value on this page was computed from “1d454d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.