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Recognised as Colour

#2A10FF

  • #2A10FF
  • Blue
  • Dark
  • Nearest: Blue

#2A10FF is a blue with RGB values 42, 16, 255 and HSL 247°, 100%, 53%. It is a dark colour, so white text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#2A10FF#2A10FF
HEX#2A10FF
RGBrgb(42, 16, 255)
RGB (0–1)0.1647, 0.0627, 1
RGB percentages16.5%, 6.3%, 100%
HSLhsl(246.5, 100%, 53.1%)
HSV / HSBhsv(246.5, 93.7%, 100%)
CMYK83.5%, 93.7%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,756,863
CSS custom property--colour: #2A10FF;

Brightness & contrast

Relative luminance0.08083WCAG 2.x, 0 is black and 1 is white
Perceived brightness89.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.03:1
Contrast with white8.03:1WCAG normal text: AAA
Contrast with black2.62:1WCAG normal text: Fail
Greyscale equivalent#272727
Inverted#D5EF00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005CFFno red cones; affects about 1% of men; ΔE 41.8 from the original
Deuteranopia#0044FBno green cones; the most common form, about 1% of men; ΔE 26 from the original
Tritanopia#006C97no blue cones; rare, and affects men and women equally; ΔE 114.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.03:1WCAG large text: AAA
Contrast with black, large text2.62:1WCAG large text: Fail

Named colours

Blue · ΔE 4.2Medium blue · ΔE 18.9Blue violet · ΔE 31.9Dark violet · ΔE 34.8Dark orchid · ΔE 47.1Dark blue · ΔE 48.9
Nearest named CSS colourBlue (#0000FF)ΔE 4.17, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E5FF10
Analogous#106DFF, #A210FF
Triadic#FF2A10, #10FF2A
Split complementary#FFA210, #6DFF10
Tetradic#FF106D, #E5FF10, #10FFA2

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E0DCFF
Lighter +30%#B2A9FF
Lighter +20%#8576FF
Lighter +10%#5743FF
Darker −10%#1800DC
Darker −20%#1200A9
Darker −30%#0D0076
Darker −40%#070043
More saturated +25%#2A10FF
Less saturated −25%#412EE1

Channel breakdown

R42
G16
B255
Red42 (16.5%)
Green16 (6.3%)
Blue255 (100%)
Hue246.53°
Saturation (HSL)100%
Lightness53.14%
Dominant channelBlue
Hex per channelR 2A · G 10 · B FF

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Every value on this page was computed from “2a10ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.