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Recognised as Colour

#1C73CF

  • #1C73CF
  • Blue
  • Dark
  • Nearest: Dodgerblue

#1C73CF is a blue with RGB values 28, 115, 207 and HSL 211°, 76%, 46%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#1C73CF#1C73CF
HEX#1C73CF
RGBrgb(28, 115, 207)
RGB (0–1)0.1098, 0.451, 0.8118
RGB percentages11%, 45.1%, 81.2%
HSLhsl(210.8, 76.2%, 46.1%)
HSV / HSBhsv(210.8, 86.5%, 81.2%)
CMYK86.5%, 44.4%, 0%, 18.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,864,655
CSS custom property--colour: #1C73CF;

Brightness & contrast

Relative luminance0.17013WCAG 2.x, 0 is black and 1 is white
Perceived brightness113.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.77:1
Contrast with white4.77:1WCAG normal text: AA
Contrast with black4.4:1WCAG normal text: Fail
Greyscale equivalent#676767
Inverted#E38C30

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#427BD3no red cones; affects about 1% of men; ΔE 5.1 from the original
Deuteranopia#196BCDno green cones; the most common form, about 1% of men; ΔE 5.6 from the original
Tritanopia#008997no blue cones; rare, and affects men and women equally; ΔE 51.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.77:1WCAG large text: AAA
Contrast with black, large text4.4:1WCAG large text: AA

Named colours

Dodgerblue · ΔE 14.3Cornflower blue · ΔE 14.6Royal blue · ΔE 20.1Steel blue · ΔE 26.3Slate blue · ΔE 27Dark slateblue · ΔE 27.1
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 14.31, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CF781C
Analogous#1CCCCF, #1F1CCF
Triadic#CF1C73, #73CF1C
Split complementary#CF1F1C, #CCCF1C
Tetradic#CF1CCC, #CF781C, #1CCF1F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C0DBF7
Lighter +30%#94C1F0
Lighter +20%#67A7EA
Lighter +10%#3A8DE4
Darker −10%#165AA2
Darker −20%#104175
Darker −30%#0A2848
Darker −40%#040F1B
More saturated +25%#0072EB
Less saturated −25%#3974B2

Channel breakdown

R28
G115
B207
Red28 (11%)
Green115 (45.1%)
Blue207 (81.2%)
Hue210.84°
Saturation (HSL)76.17%
Lightness46.08%
Dominant channelBlue
Hex per channelR 1C · G 73 · B CF

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Every value on this page was computed from “1c73cf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.