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Colour

#1661FA

  • #1661FA
  • Blue
  • Dark
  • Nearest: Medium slateblue

#1661FA is a blue with RGB values 22, 97, 250 and HSL 220°, 96%, 53%. 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

#1661FA#1661FA
HEX#1661FA
RGBrgb(22, 97, 250)
RGB (0–1)0.0863, 0.3804, 0.9804
RGB percentages8.6%, 38%, 98%
HSLhsl(220.3, 95.8%, 53.3%)
HSV / HSBhsv(220.3, 91.2%, 98%)
CMYK91.2%, 61.2%, 0%, 2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,466,874
CSS custom property--colour: #1661FA;

Brightness & contrast

Relative luminance0.15622WCAG 2.x, 0 is black and 1 is white
Perceived brightness113.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.09:1
Contrast with white5.09:1WCAG normal text: AA
Contrast with black4.12:1WCAG normal text: Fail
Greyscale equivalent#5C5C5C
Inverted#E99E05

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0079FFno red cones; affects about 1% of men; ΔE 17.1 from the original
Deuteranopia#0064F7no green cones; the most common form, about 1% of men; ΔE 4.2 from the original
Tritanopia#0089A4no blue cones; rare, and affects men and women equally; ΔE 82.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.09:1WCAG large text: AAA
Contrast with black, large text4.12:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 17.6Royal blue · ΔE 19.6Slate blue · ΔE 23.8Medium purple · ΔE 32.6Blue violet · ΔE 33.8Dodgerblue · ΔE 35.1
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 17.6, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FAAF16
Analogous#16D3FA, #3D16FA
Triadic#FA1661, #61FA16
Split complementary#FA3D16, #D3FA16
Tetradic#FA16D3, #FAAF16, #16FA3D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DEE8FE
Lighter +30%#ACC7FD
Lighter +20%#7AA5FC
Lighter +10%#4883FB
Darker −10%#054AD8
Darker −20%#0439A6
Darker −30%#032875
Darker −40%#011743
More saturated +25%#115FFF
Less saturated −25%#346BDC

Channel breakdown

R22
G97
B250
Red22 (8.6%)
Green97 (38%)
Blue250 (98%)
Hue220.26°
Saturation (HSL)95.8%
Lightness53.33%
Dominant channelBlue
Hex per channelR 16 · G 61 · B FA

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Every value on this page was computed from “1661fa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.