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Recognised as Colour

#1D2136

  • #1D2136
  • Blue
  • Dark
  • Nearest: Black

#1D2136 is a blue with RGB values 29, 33, 54 and HSL 230°, 30%, 16%. It is a dark colour, so white text on it reaches 15.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#1D2136#1D2136
HEX#1D2136
RGBrgb(29, 33, 54)
RGB (0–1)0.1137, 0.1294, 0.2118
RGB percentages11.4%, 12.9%, 21.2%
HSLhsl(230.4, 30.1%, 16.3%)
HSV / HSBhsv(230.4, 46.3%, 21.2%)
CMYK46.3%, 38.9%, 0%, 78.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,909,046
CSS custom property--colour: #1D2136;

Brightness & contrast

Relative luminance0.01615WCAG 2.x, 0 is black and 1 is white
Perceived brightness35 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.87:1
Contrast with white15.87:1WCAG normal text: AAA
Contrast with black1.32:1WCAG normal text: Fail
Greyscale equivalent#222222
Inverted#E2DEC9

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1A2337no red cones; affects about 1% of men; ΔE 2.2 from the original
Deuteranopia#182136no green cones; the most common form, about 1% of men; ΔE 1.8 from the original
Tritanopia#152529no blue cones; rare, and affects men and women equally; ΔE 13.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.87:1WCAG large text: AAA
Contrast with black, large text1.32:1WCAG large text: Fail

Named colours

Black · ΔE 20.1Dark slate grey · ΔE 26.6Dim grey · ΔE 34.5Dark slateblue · ΔE 39.1Slate grey · ΔE 40.3Gray · ΔE 43
Nearest named CSS colourBlack (#000000)ΔE 20.11, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#36321D
Analogous#1D2E36, #251D36
Triadic#361D21, #21361D
Split complementary#36251D, #2E361D
Tetradic#361D2E, #36321D, #1D3625

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6E79B1
Lighter +30%#525E9A
Lighter +20%#414A78
Lighter +10%#2F3557
Darker −10%#0B0D15
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#131A40
Less saturated −25%#27282C

Channel breakdown

R29
G33
B54
Red29 (11.4%)
Green33 (12.9%)
Blue54 (21.2%)
Hue230.4°
Saturation (HSL)30.12%
Lightness16.27%
Dominant channelBlue
Hex per channelR 1D · G 21 · B 36

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Every value on this page was computed from “1d2136” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.