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Recognised as Colour

#03003D

  • #03003D
  • Blue
  • Dark
  • Nearest: Midnight blue

#03003D is a blue with RGB values 3, 0, 61 and HSL 243°, 100%, 12%. It is a dark colour, so white text on it reaches 19.6:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#03003D#03003D
HEX#03003D
RGBrgb(3, 0, 61)
RGB (0–1)0.0118, 0, 0.2392
RGB percentages1.2%, 0%, 23.9%
HSLhsl(243, 100%, 12%)
HSV / HSBhsv(243, 100%, 23.9%)
CMYK95.1%, 100%, 0%, 76.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer196,669
CSS custom property--colour: #03003D;

Brightness & contrast

Relative luminance0.00356WCAG 2.x, 0 is black and 1 is white
Perceived brightness20.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.6:1
Contrast with white19.6:1WCAG normal text: AAA
Contrast with black1.07:1WCAG normal text: Fail
Greyscale equivalent#050505
Inverted#FCFFC2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#000F3Fno red cones; affects about 1% of men; ΔE 8 from the original
Deuteranopia#00083Cno green cones; the most common form, about 1% of men; ΔE 5.6 from the original
Tritanopia#001420no blue cones; rare, and affects men and women equally; ΔE 35.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.6:1WCAG large text: AAA
Contrast with black, large text1.07:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 21.1Dark slateblue · ΔE 28.6Rebecca purple · ΔE 38Indigo · ΔE 38.5Navy · ΔE 39.8Black · ΔE 42.1
Nearest named CSS colourMidnight blue (#191970)ΔE 21.08, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3A3D00
Analogous#001B3D, #22003D
Triadic#3D0300, #003D03
Split complementary#3D2200, #1B3D00
Tetradic#3D001B, #3A3D00, #003D22

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#160AFF
Lighter +30%#0B00D6
Lighter +20%#0800A3
Lighter +10%#060070
Darker −10%#00000A
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#03003D
Less saturated −25%#0A0835

Channel breakdown

R3
G0
B61
Red3 (1.2%)
Green0 (0%)
Blue61 (23.9%)
Hue242.95°
Saturation (HSL)100%
Lightness11.96%
Dominant channelBlue
Hex per channelR 03 · G 00 · B 3D

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Every value on this page was computed from “03003d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.