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Recognised as Colour

#1370FD

  • #1370FD
  • Blue
  • Dark
  • Nearest: Royal blue

#1370FD is a blue with RGB values 19, 112, 253 and HSL 216°, 98%, 53%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#1370FD#1370FD
HEX#1370FD
RGBrgb(19, 112, 253)
RGB (0–1)0.0745, 0.4392, 0.9922
RGB percentages7.5%, 43.9%, 99.2%
HSLhsl(216.2, 98.3%, 53.3%)
HSV / HSBhsv(216.2, 92.5%, 99.2%)
CMYK92.5%, 55.7%, 0%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,274,109
CSS custom property--colour: #1370FD;

Brightness & contrast

Relative luminance0.18819WCAG 2.x, 0 is black and 1 is white
Perceived brightness121.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.76:1
Contrast with white4.41:1WCAG normal text: Fail
Contrast with black4.76:1WCAG normal text: AA
Greyscale equivalent#666666
Inverted#EC8F02

Colour vision & accessibility

Protanopia#0083FFno red cones; affects about 1% of men; ΔE 14.6 from the original
Deuteranopia#006EFAno green cones; the most common form, about 1% of men; ΔE 1 from the original
Tritanopia#0094ACno blue cones; rare, and affects men and women equally; ΔE 76.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.41:1WCAG large text: AA
Contrast with black, large text4.76:1WCAG large text: AAA

Named colours

Nearest named CSS colourRoyal blue (#4169E1)ΔE 11.96, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#FDA013
Analogous#13E5FD, #2B13FD
Triadic#FD1370, #70FD13
Split complementary#FD2B13, #E5FD13
Tetradic#FD13E5, #FDA013, #13FD2B

Tints, shades & saturation

Lighter +40%#DDEBFF
Lighter +30%#ABCCFE
Lighter +20%#78ADFE
Lighter +10%#468FFD
Darker −10%#0258DB
Darker −20%#0144A9
Darker −30%#012F76
Darker −40%#011B43
More saturated +25%#1170FF
Less saturated −25%#3176DF

Channel breakdown

R19
G112
B253
Red19 (7.5%)
Green112 (43.9%)
Blue253 (99.2%)
Hue216.15°
Saturation (HSL)98.32%
Lightness53.33%
Dominant channelBlue
Hex per channelR 13 · G 70 · B FD

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Every value on this page was computed from “1370fd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.