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Colour

#015CFF

  • #015CFF
  • Blue
  • Dark
  • Nearest: Medium slateblue

#015CFF is a blue with RGB values 1, 92, 255 and HSL 219°, 100%, 50%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#015CFF#015CFF
HEX#015CFF
RGBrgb(1, 92, 255)
RGB (0–1)0.0039, 0.3608, 1
RGB percentages0.4%, 36.1%, 100%
HSLhsl(218.5, 100%, 50.2%)
HSV / HSBhsv(218.5, 99.6%, 100%)
CMYK99.6%, 63.9%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer89,343
CSS custom property--colour: #015CFF;

Brightness & contrast

Relative luminance0.14881WCAG 2.x, 0 is black and 1 is white
Perceived brightness111.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.28:1
Contrast with white5.28:1WCAG normal text: AA
Contrast with black3.98:1WCAG normal text: Fail
Greyscale equivalent#545454
Inverted#FEA300

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0077FFno red cones; affects about 1% of men; ΔE 21.5 from the original
Deuteranopia#0061FCno green cones; the most common form, about 1% of men; ΔE 5.4 from the original
Tritanopia#0088A5no blue cones; rare, and affects men and women equally; ΔE 87.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.28:1WCAG large text: AAA
Contrast with black, large text3.98:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 21.7Royal blue · ΔE 25.9Slate blue · ΔE 28.8Blue violet · ΔE 30.7Medium blue · ΔE 33.3Dark orchid · ΔE 35.1
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 21.67, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFA401
Analogous#01DBFF, #2501FF
Triadic#FF015C, #5CFF01
Split complementary#FF2501, #DBFF01
Tetradic#FF01DB, #FFA401, #01FF25

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CDDFFF
Lighter +30%#9ABEFF
Lighter +20%#679DFF
Lighter +10%#347DFF
Darker −10%#0049CD
Darker −20%#00379A
Darker −30%#002567
Darker −40%#001334
More saturated +25%#015CFF
Less saturated −25%#2165DF

Channel breakdown

R1
G92
B255
Red1 (0.4%)
Green92 (36.1%)
Blue255 (100%)
Hue218.5°
Saturation (HSL)100%
Lightness50.2%
Dominant channelBlue
Hex per channelR 01 · G 5C · B FF

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Every value on this page was computed from “015cff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.