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Colour

#003D6B

  • #003D6B
  • Blue
  • Dark
  • Nearest: Dark slateblue

#003D6B is a blue with RGB values 0, 61, 107 and HSL 206°, 100%, 21%. It is a dark colour, so white text on it reaches 11.2:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#003D6B#003D6B
HEX#003D6B
RGBrgb(0, 61, 107)
RGB (0–1)0, 0.2392, 0.4196
RGB percentages0%, 23.9%, 42%
HSLhsl(205.8, 100%, 21%)
HSV / HSBhsv(205.8, 100%, 42%)
CMYK100%, 43%, 0%, 58%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,723
CSS custom property--colour: #003D6B;

Brightness & contrast

Relative luminance0.04399WCAG 2.x, 0 is black and 1 is white
Perceived brightness59.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.17:1
Contrast with white11.17:1WCAG normal text: AAA
Contrast with black1.88:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#FFC294

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#26406Dno red cones; affects about 1% of men; ΔE 5 from the original
Deuteranopia#13376Ano green cones; the most common form, about 1% of men; ΔE 6.1 from the original
Tritanopia#00484Eno blue cones; rare, and affects men and women equally; ΔE 29.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.17:1WCAG large text: AAA
Contrast with black, large text1.88:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 26.9Steel blue · ΔE 28.2Dark slate grey · ΔE 31.7Slate grey · ΔE 35.2Midnight blue · ΔE 35.9Dim grey · ΔE 37.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 26.92, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6B2E00
Analogous#006B63, #00086B
Triadic#6B003D, #3D6B00
Split complementary#6B0008, #6B6400
Tetradic#63006B, #6B2E00, #086B00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#38A9FF
Lighter +30%#0594FF
Lighter +20%#0077D1
Lighter +10%#005A9E
Darker −10%#002038
Darker −20%#000305
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003D6B
Less saturated −25%#0D3B5E

Channel breakdown

R0
G61
B107
Red0 (0%)
Green61 (23.9%)
Blue107 (42%)
Hue205.79°
Saturation (HSL)100%
Lightness20.98%
Dominant channelBlue
Hex per channelR 00 · G 3D · B 6B

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Every value on this page was computed from “003d6b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.