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Recognised as Colour

#1F70CF

  • #1F70CF
  • Blue
  • Dark
  • Nearest: Dodgerblue

#1F70CF is a blue with RGB values 31, 112, 207 and HSL 212°, 74%, 47%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#1F70CF#1F70CF
HEX#1F70CF
RGBrgb(31, 112, 207)
RGB (0–1)0.1216, 0.4392, 0.8118
RGB percentages12.2%, 43.9%, 81.2%
HSLhsl(212.4, 73.9%, 46.7%)
HSV / HSBhsv(212.4, 85%, 81.2%)
CMYK85%, 45.9%, 0%, 18.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,060,495
CSS custom property--colour: #1F70CF;

Brightness & contrast

Relative luminance0.16385WCAG 2.x, 0 is black and 1 is white
Perceived brightness112 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.91:1
Contrast with white4.91:1WCAG normal text: AA
Contrast with black4.28:1WCAG normal text: Fail
Greyscale equivalent#666666
Inverted#E08F30

Colour vision & accessibility

Protanopia#3C79D3no red cones; affects about 1% of men; ΔE 5.2 from the original
Deuteranopia#0769CDno green cones; the most common form, about 1% of men; ΔE 4.5 from the original
Tritanopia#008795no blue cones; rare, and affects men and women equally; ΔE 54.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.91:1WCAG large text: AAA
Contrast with black, large text4.28:1WCAG large text: AA

Named colours

Nearest named CSS colourDodgerblue (#1E90FF)ΔE 14.27, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#CF7E1F
Analogous#1FC8CF, #261FCF
Triadic#CF1F70, #70CF1F
Split complementary#CF261F, #C8CF1F
Tetradic#CF1FC8, #CF7E1F, #1FCF26

Tints, shades & saturation

Lighter +40%#C4DBF6
Lighter +30%#97C0F0
Lighter +20%#6BA5E9
Lighter +10%#3F8AE2
Darker −10%#1858A3
Darker −20%#124076
Darker −30%#0B284A
Darker −40%#04101E
More saturated +25%#016EED
Less saturated −25%#3D72B1

Channel breakdown

R31
G112
B207
Red31 (12.2%)
Green112 (43.9%)
Blue207 (81.2%)
Hue212.39°
Saturation (HSL)73.95%
Lightness46.67%
Dominant channelBlue
Hex per channelR 1F · G 70 · B CF

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Every value on this page was computed from “1f70cf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.