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Recognised as Colour

#030FE9

  • #030FE9
  • Blue
  • Dark
  • Nearest: Medium blue

#030FE9 is a blue with RGB values 3, 15, 233 and HSL 237°, 97%, 46%. It is a dark colour, so white text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#030FE9#030FE9
HEX#030FE9
RGBrgb(3, 15, 233)
RGB (0–1)0.0118, 0.0588, 0.9137
RGB percentages1.2%, 5.9%, 91.4%
HSLhsl(236.9, 97.5%, 46.3%)
HSV / HSBhsv(236.9, 98.7%, 91.4%)
CMYK98.7%, 93.6%, 0%, 8.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer200,681
CSS custom property--colour: #030FE9;

Brightness & contrast

Relative luminance0.06244WCAG 2.x, 0 is black and 1 is white
Perceived brightness79.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.34:1
Contrast with white9.34:1WCAG normal text: AAA
Contrast with black2.25:1WCAG normal text: Fail
Greyscale equivalent#1C1C1C
Inverted#FCF016

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0052EEno red cones; affects about 1% of men; ΔE 35.9 from the original
Deuteranopia#003AE6no green cones; the most common form, about 1% of men; ΔE 22 from the original
Tritanopia#006389no blue cones; rare, and affects men and women equally; ΔE 108.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.34:1WCAG large text: AAA
Contrast with black, large text2.25:1WCAG large text: Fail

Named colours

Medium blue · ΔE 10.1Blue · ΔE 11.9Blue violet · ΔE 27.4Dark violet · ΔE 30.8Dark blue · ΔE 40Dark orchid · ΔE 41.8
Nearest named CSS colourMedium blue (#0000CD)ΔE 10.12, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E9DD03
Analogous#0382E9, #6A03E9
Triadic#E9030F, #0FE903
Split complementary#E96A03, #82E903
Tetradic#E90382, #E9DD03, #03E96A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BABDFE
Lighter +30%#888EFD
Lighter +20%#555EFD
Lighter +10%#232EFC
Darker −10%#020CB7
Darker −20%#020984
Darker −30%#010552
Darker −40%#000220
More saturated +25%#000CEC
Less saturated −25%#2029CC

Channel breakdown

R3
G15
B233
Red3 (1.2%)
Green15 (5.9%)
Blue233 (91.4%)
Hue236.87°
Saturation (HSL)97.46%
Lightness46.27%
Dominant channelBlue
Hex per channelR 03 · G 0F · B E9

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Every value on this page was computed from “030fe9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.