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Colour

#0061FF

  • #0061FF
  • Blue
  • Dark
  • Nearest: Medium slateblue

#0061FF is a blue with RGB values 0, 97, 255 and HSL 217°, 100%, 50%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#0061FF#0061FF
HEX#0061FF
RGBrgb(0, 97, 255)
RGB (0–1)0, 0.3804, 1
RGB percentages0%, 38%, 100%
HSLhsl(217.2, 100%, 50%)
HSV / HSBhsv(217.2, 100%, 100%)
CMYK100%, 62%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer25,087
CSS custom property--colour: #0061FF;

Brightness & contrast

Relative luminance0.15769WCAG 2.x, 0 is black and 1 is white
Perceived brightness113.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.06:1
Contrast with white5.06:1WCAG normal text: AA
Contrast with black4.15:1WCAG normal text: Fail
Greyscale equivalent#585858
Inverted#FF9E00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#007AFFno red cones; affects about 1% of men; ΔE 20 from the original
Deuteranopia#0064FCno green cones; the most common form, about 1% of men; ΔE 3.9 from the original
Tritanopia#008BA7no blue cones; rare, and affects men and women equally; ΔE 85 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.06:1WCAG large text: AAA
Contrast with black, large text4.15:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 19.6Royal blue · ΔE 22.4Slate blue · ΔE 26.4Blue violet · ΔE 33.1Medium purple · ΔE 35Dark orchid · ΔE 36.1
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 19.62, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF9E00
Analogous#00E0FF, #1F00FF
Triadic#FF0061, #61FF00
Split complementary#FF1F00, #E0FF00
Tetradic#FF00E0, #FF9E00, #00FF1F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CCDFFF
Lighter +30%#99C0FF
Lighter +20%#66A0FF
Lighter +10%#3381FF
Darker −10%#004ECC
Darker −20%#003A99
Darker −30%#002766
Darker −40%#001333
More saturated +25%#0061FF
Less saturated −25%#2069DF

Channel breakdown

R0
G97
B255
Red0 (0%)
Green97 (38%)
Blue255 (100%)
Hue217.18°
Saturation (HSL)100%
Lightness50%
Dominant channelBlue
Hex per channelR 00 · G 61 · B FF

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Every value on this page was computed from “0061ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.