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Recognised as Colour

#1300FF

  • #1300FF
  • Blue
  • Dark
  • Nearest: Blue

#1300FF is a blue with RGB values 19, 0, 255 and HSL 244°, 100%, 50%. It is a dark colour, so white text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#1300FF#1300FF
HEX#1300FF
RGBrgb(19, 0, 255)
RGB (0–1)0.0745, 0, 1
RGB percentages7.5%, 0%, 100%
HSLhsl(244.5, 100%, 50%)
HSV / HSBhsv(244.5, 100%, 100%)
CMYK92.5%, 100%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,245,439
CSS custom property--colour: #1300FF;

Brightness & contrast

Relative luminance0.07358WCAG 2.x, 0 is black and 1 is white
Perceived brightness86.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.5:1
Contrast with white8.5:1WCAG normal text: AAA
Contrast with black2.47:1WCAG normal text: Fail
Greyscale equivalent#161616
Inverted#ECFF00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0059FFno red cones; affects about 1% of men; ΔE 42.9 from the original
Deuteranopia#003FFBno green cones; the most common form, about 1% of men; ΔE 26 from the original
Tritanopia#006B96no blue cones; rare, and affects men and women equally; ΔE 117.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.5:1WCAG large text: AAA
Contrast with black, large text2.47:1WCAG large text: Fail

Named colours

Blue · ΔE 0.6Medium blue · ΔE 21.3Blue violet · ΔE 35.2Dark violet · ΔE 37.7Dark orchid · ΔE 50.5Dark blue · ΔE 51.4
Nearest named CSS colourBlue (#0000FF)ΔE 0.61, indistinguishable to the eye
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#ECFF00
Analogous#006CFF, #9300FF
Triadic#FF1300, #00FF13
Split complementary#FF9200, #6DFF00
Tetradic#FF006C, #ECFF00, #00FF93

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D0CCFF
Lighter +30%#A199FF
Lighter +20%#7166FF
Lighter +10%#4233FF
Darker −10%#0F00CC
Darker −20%#0B0099
Darker −30%#080066
Darker −40%#040033
More saturated +25%#1300FF
Less saturated −25%#2E20DF

Channel breakdown

R19
G0
B255
Red19 (7.5%)
Green0 (0%)
Blue255 (100%)
Hue244.47°
Saturation (HSL)100%
Lightness50%
Dominant channelBlue
Hex per channelR 13 · G 00 · B FF

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Every value on this page was computed from “1300ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.