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Recognised as Colour

#1C28E1

  • #1C28E1
  • Blue
  • Dark
  • Nearest: Medium blue

#1C28E1 is a blue with RGB values 28, 40, 225 and HSL 236°, 78%, 50%. It is a dark colour, so white text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#1C28E1#1C28E1
HEX#1C28E1
RGBrgb(28, 40, 225)
RGB (0–1)0.1098, 0.1569, 0.8824
RGB percentages11%, 15.7%, 88.2%
HSLhsl(236.3, 77.9%, 49.6%)
HSV / HSBhsv(236.3, 87.6%, 88.2%)
CMYK87.6%, 82.2%, 0%, 11.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,845,473
CSS custom property--colour: #1C28E1;

Brightness & contrast

Relative luminance0.07201WCAG 2.x, 0 is black and 1 is white
Perceived brightness83.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.61:1
Contrast with white8.61:1WCAG normal text: AAA
Contrast with black2.44:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#E3D71E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0056E6no red cones; affects about 1% of men; ΔE 29.9 from the original
Deuteranopia#0041DEno green cones; the most common form, about 1% of men; ΔE 17.5 from the original
Tritanopia#006587no blue cones; rare, and affects men and women equally; ΔE 98.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.61:1WCAG large text: AAA
Contrast with black, large text2.44:1WCAG large text: Fail

Named colours

Medium blue · ΔE 9.5Blue violet · ΔE 20.9Blue · ΔE 24.8Dark violet · ΔE 26.6Dark blue · ΔE 30.3Dark orchid · ΔE 33
Nearest named CSS colourMedium blue (#0000CD)ΔE 9.48, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E1D51C
Analogous#1C8BE1, #721CE1
Triadic#E11C28, #28E11C
Split complementary#E1721C, #8BE11C
Tetradic#E11C8B, #E1D51C, #1CE172

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D0D2F9
Lighter +30%#A3A7F3
Lighter +20%#757DEE
Lighter +10%#4852E8
Darker −10%#1620B4
Darker −20%#111886
Darker −30%#0B1059
Darker −40%#05082C
More saturated +25%#000FFD
Less saturated −25%#3C44C1

Channel breakdown

R28
G40
B225
Red28 (11%)
Green40 (15.7%)
Blue225 (88.2%)
Hue236.35°
Saturation (HSL)77.87%
Lightness49.61%
Dominant channelBlue
Hex per channelR 1C · G 28 · B E1

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Every value on this page was computed from “1c28e1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.