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Recognised as Colour

#030038

  • #030038
  • Blue
  • Dark
  • Nearest: Midnight blue

#030038 is a blue with RGB values 3, 0, 56 and HSL 243°, 100%, 11%. It is a dark colour, so white text on it reaches 19.8:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#030038#030038
HEX#030038
RGBrgb(3, 0, 56)
RGB (0–1)0.0118, 0, 0.2196
RGB percentages1.2%, 0%, 22%
HSLhsl(243.2, 100%, 11%)
HSV / HSBhsv(243.2, 100%, 22%)
CMYK94.6%, 100%, 0%, 78%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer196,664
CSS custom property--colour: #030038;

Brightness & contrast

Relative luminance0.00305WCAG 2.x, 0 is black and 1 is white
Perceived brightness19 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.79:1
Contrast with white19.79:1WCAG normal text: AAA
Contrast with black1.06:1WCAG normal text: Fail
Greyscale equivalent#050505
Inverted#FCFFC7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#000D39no red cones; affects about 1% of men; ΔE 6.9 from the original
Deuteranopia#000737no green cones; the most common form, about 1% of men; ΔE 5 from the original
Tritanopia#00111Dno blue cones; rare, and affects men and women equally; ΔE 31 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.79:1WCAG large text: AAA
Contrast with black, large text1.06:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 24.8Dark slateblue · ΔE 30.4Black · ΔE 38Rebecca purple · ΔE 41.1Indigo · ΔE 42.5Navy · ΔE 44.1
Nearest named CSS colourMidnight blue (#191970)ΔE 24.85, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#353800
Analogous#001938, #1F0038
Triadic#380300, #003803
Split complementary#381F00, #193800
Tetradic#380019, #353800, #00381F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#1205FF
Lighter +30%#0B00D1
Lighter +20%#08009E
Lighter +10%#06006B
Darker −10%#000005
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#030038
Less saturated −25%#090731

Channel breakdown

R3
G0
B56
Red3 (1.2%)
Green0 (0%)
Blue56 (22%)
Hue243.21°
Saturation (HSL)100%
Lightness10.98%
Dominant channelBlue
Hex per channelR 03 · G 00 · B 38

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Every value on this page was computed from “hex 030038” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.