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Colour

#203D6E

  • #203D6E
  • Blue
  • Dark
  • Nearest: Dark slateblue

#203D6E is a blue with RGB values 32, 61, 110 and HSL 218°, 55%, 28%. It is a dark colour, so white text on it reaches 10.7:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#203D6E#203D6E
HEX#203D6E
RGBrgb(32, 61, 110)
RGB (0–1)0.1255, 0.2392, 0.4314
RGB percentages12.5%, 23.9%, 43.1%
HSLhsl(217.7, 54.9%, 27.8%)
HSV / HSBhsv(217.7, 70.9%, 43.1%)
CMYK70.9%, 44.5%, 0%, 56.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,112,878
CSS custom property--colour: #203D6E;

Brightness & contrast

Relative luminance0.0477WCAG 2.x, 0 is black and 1 is white
Perceived brightness62.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.75:1
Contrast with white10.75:1WCAG normal text: AAA
Contrast with black1.95:1WCAG normal text: Fail
Greyscale equivalent#3A3A3A
Inverted#DFC291

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#264270no red cones; affects about 1% of men; ΔE 3.1 from the original
Deuteranopia#193A6Dno green cones; the most common form, about 1% of men; ΔE 2 from the original
Tritanopia#004850no blue cones; rare, and affects men and women equally; ΔE 31.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.75:1WCAG large text: AAA
Contrast with black, large text1.95:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 22.2Steel blue · ΔE 28.6Midnight blue · ΔE 32.2Dark slate grey · ΔE 34Slate grey · ΔE 35.3Dim grey · ΔE 37.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 22.24, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6E5120
Analogous#20646E, #2A206E
Triadic#6E203D, #3D6E20
Split complementary#6E2A20, #646E20
Tetradic#6E2064, #6E5120, #206E2A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#80A1DA
Lighter +30%#5884CF
Lighter +20%#3769BD
Lighter +10%#2B5396
Darker −10%#152746
Darker −20%#09111F
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0E3880
Less saturated −25%#32425C

Channel breakdown

R32
G61
B110
Red32 (12.5%)
Green61 (23.9%)
Blue110 (43.1%)
Hue217.69°
Saturation (HSL)54.93%
Lightness27.84%
Dominant channelBlue
Hex per channelR 20 · G 3D · B 6E

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Every value on this page was computed from “203d6e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.