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Recognised as Colour

#1C09E7

  • #1C09E7
  • Blue
  • Dark
  • Nearest: Medium blue

#1C09E7 is a blue with RGB values 28, 9, 231 and HSL 245°, 93%, 47%. It is a dark colour, so white text on it reaches 9.4:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#1C09E7#1C09E7
HEX#1C09E7
RGBrgb(28, 9, 231)
RGB (0–1)0.1098, 0.0353, 0.9059
RGB percentages11%, 3.5%, 90.6%
HSLhsl(245.1, 92.5%, 47.1%)
HSV / HSBhsv(245.1, 96.1%, 90.6%)
CMYK87.9%, 96.1%, 0%, 9.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,837,543
CSS custom property--colour: #1C09E7;

Brightness & contrast

Relative luminance0.06212WCAG 2.x, 0 is black and 1 is white
Perceived brightness79.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.37:1
Contrast with white9.37:1WCAG normal text: AAA
Contrast with black2.24:1WCAG normal text: Fail
Greyscale equivalent#1D1D1D
Inverted#E3F618

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0051ECno red cones; affects about 1% of men; ΔE 36.4 from the original
Deuteranopia#003AE4no green cones; the most common form, about 1% of men; ΔE 23.1 from the original
Tritanopia#006188no blue cones; rare, and affects men and women equally; ΔE 107.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.37:1WCAG large text: AAA
Contrast with black, large text2.24:1WCAG large text: Fail

Named colours

Medium blue · ΔE 9.7Blue · ΔE 12.2Blue violet · ΔE 26.6Dark violet · ΔE 29.8Dark blue · ΔE 39.7Dark orchid · ΔE 41
Nearest named CSS colourMedium blue (#0000CD)ΔE 9.73, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D4E709
Analogous#0965E7, #8B09E7
Triadic#E71C09, #09E71C
Split complementary#E78B09, #65E709
Tetradic#E70965, #D4E709, #09E78B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C5BFFD
Lighter +30%#988EFB
Lighter +20%#6B5DF9
Lighter +10%#3E2CF7
Darker −10%#1607B6
Darker −20%#100585
Darker −30%#0A0354
Darker −40%#040123
More saturated +25%#1500F0
Less saturated −25%#3527C9

Channel breakdown

R28
G9
B231
Red28 (11%)
Green9 (3.5%)
Blue231 (90.6%)
Hue245.14°
Saturation (HSL)92.5%
Lightness47.06%
Dominant channelBlue
Hex per channelR 1C · G 09 · B E7

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Every value on this page was computed from “1c09e7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.