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Recognised as Colour

#1501FF

  • #1501FF
  • Blue
  • Dark
  • Nearest: Blue

#1501FF is a blue with RGB values 21, 1, 255 and HSL 245°, 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

#1501FF#1501FF
HEX#1501FF
RGBrgb(21, 1, 255)
RGB (0–1)0.0824, 0.0039, 1
RGB percentages8.2%, 0.4%, 100%
HSLhsl(244.7, 100%, 50.2%)
HSV / HSBhsv(244.7, 99.6%, 100%)
CMYK91.8%, 99.6%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,376,767
CSS custom property--colour: #1501FF;

Brightness & contrast

Relative luminance0.07401WCAG 2.x, 0 is black and 1 is white
Perceived brightness86.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.47:1
Contrast with white8.47:1WCAG normal text: AAA
Contrast with black2.48:1WCAG normal text: Fail
Greyscale equivalent#181818
Inverted#EAFE00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0059FFno red cones; affects about 1% of men; ΔE 42.7 from the original
Deuteranopia#003FFBno green cones; the most common form, about 1% of men; ΔE 25.8 from the original
Tritanopia#006B96no blue cones; rare, and affects men and women equally; ΔE 117.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.47:1WCAG large text: AAA
Contrast with black, large text2.48:1WCAG large text: Fail

Named colours

Blue · ΔE 0.8Medium blue · ΔE 21.2Blue violet · ΔE 35Dark violet · ΔE 37.6Dark orchid · ΔE 50.3Dark blue · ΔE 51.3
Nearest named CSS colourBlue (#0000FF)ΔE 0.79, indistinguishable to the eye
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EBFF01
Analogous#016CFF, #9401FF
Triadic#FF1501, #01FF15
Split complementary#FF9401, #6CFF01
Tetradic#FF016C, #EBFF01, #01FF94

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D1CDFF
Lighter +30%#A29AFF
Lighter +20%#7367FF
Lighter +10%#4434FF
Darker −10%#1000CD
Darker −20%#0C009A
Darker −30%#080067
Darker −40%#040034
More saturated +25%#1501FF
Less saturated −25%#3021DF

Channel breakdown

R21
G1
B255
Red21 (8.2%)
Green1 (0.4%)
Blue255 (100%)
Hue244.72°
Saturation (HSL)100%
Lightness50.2%
Dominant channelBlue
Hex per channelR 15 · G 01 · B FF

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Every value on this page was computed from “1501ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.