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Recognised as Colour

#1D2536

  • #1D2536
  • Blue
  • Dark
  • Nearest: Black

#1D2536 is a blue with RGB values 29, 37, 54 and HSL 221°, 30%, 16%. It is a dark colour, so white text on it reaches 15.3:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#1D2536#1D2536
HEX#1D2536
RGBrgb(29, 37, 54)
RGB (0–1)0.1137, 0.1451, 0.2118
RGB percentages11.4%, 14.5%, 21.2%
HSLhsl(220.8, 30.1%, 16.3%)
HSV / HSBhsv(220.8, 46.3%, 21.2%)
CMYK46.3%, 31.5%, 0%, 78.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,910,070
CSS custom property--colour: #1D2536;

Brightness & contrast

Relative luminance0.01851WCAG 2.x, 0 is black and 1 is white
Perceived brightness37.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.33:1
Contrast with white15.33:1WCAG normal text: AAA
Contrast with black1.37:1WCAG normal text: Fail
Greyscale equivalent#252525
Inverted#E2DAC9

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1F2637no red cones; affects about 1% of men; ΔE 0.7 from the original
Deuteranopia#1D2436no green cones; the most common form, about 1% of men; ΔE 1 from the original
Tritanopia#15292Bno blue cones; rare, and affects men and women equally; ΔE 12.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.33:1WCAG large text: AAA
Contrast with black, large text1.37:1WCAG large text: Fail

Named colours

Black · ΔE 19.2Dark slate grey · ΔE 23Dim grey · ΔE 32.2Slate grey · ΔE 38.4Gray · ΔE 40.8Light slate grey · ΔE 41.5
Nearest named CSS colourBlack (#000000)ΔE 19.16, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#362E1D
Analogous#1D3236, #211D36
Triadic#361D25, #25361D
Split complementary#36211D, #32361D
Tetradic#361D32, #362E1D, #1D3621

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6E83B1
Lighter +30%#52699A
Lighter +20%#415278
Lighter +10%#2F3C57
Darker −10%#0B0E15
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#132140
Less saturated −25%#27292C

Channel breakdown

R29
G37
B54
Red29 (11.4%)
Green37 (14.5%)
Blue54 (21.2%)
Hue220.8°
Saturation (HSL)30.12%
Lightness16.27%
Dominant channelBlue
Hex per channelR 1D · G 25 · B 36

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Every value on this page was computed from “1d2536” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.