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Colour

#2A61FF

  • #2A61FF
  • Blue
  • Dark
  • Nearest: Medium slateblue

#2A61FF is a blue with RGB values 42, 97, 255 and HSL 225°, 100%, 58%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#2A61FF#2A61FF
HEX#2A61FF
RGBrgb(42, 97, 255)
RGB (0–1)0.1647, 0.3804, 1
RGB percentages16.5%, 38%, 100%
HSLhsl(224.5, 100%, 58.2%)
HSV / HSBhsv(224.5, 83.5%, 100%)
CMYK83.5%, 62%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,777,599
CSS custom property--colour: #2A61FF;

Brightness & contrast

Relative luminance0.16262WCAG 2.x, 0 is black and 1 is white
Perceived brightness116 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.94:1
Contrast with white4.94:1WCAG normal text: AA
Contrast with black4.25:1WCAG normal text: Fail
Greyscale equivalent#616161
Inverted#D59E00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#007AFFno red cones; affects about 1% of men; ΔE 20.6 from the original
Deuteranopia#0067FCno green cones; the most common form, about 1% of men; ΔE 7 from the original
Tritanopia#008BA7no blue cones; rare, and affects men and women equally; ΔE 85.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.94:1WCAG large text: AAA
Contrast with black, large text4.25:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 18.2Royal blue · ΔE 22.3Slate blue · ΔE 25.6Blue violet · ΔE 31.5Medium purple · ΔE 33.9Dark orchid · ΔE 34.3
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 18.25, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFC82A
Analogous#2ACBFF, #5E2AFF
Triadic#FF2A61, #61FF2A
Split complementary#FF5E2A, #CBFF2A
Tetradic#FF2ACB, #FFC82A, #2AFF5E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F6F8FF
Lighter +30%#C3D2FF
Lighter +20%#90ADFF
Lighter +10%#5D87FF
Darker −10%#0040F6
Darker −20%#0032C3
Darker −30%#002590
Darker −40%#00185D
More saturated +25%#2A61FF
Less saturated −25%#456EE4

Channel breakdown

R42
G97
B255
Red42 (16.5%)
Green97 (38%)
Blue255 (100%)
Hue224.51°
Saturation (HSL)100%
Lightness58.24%
Dominant channelBlue
Hex per channelR 2A · G 61 · B FF

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Every value on this page was computed from “2a61ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.