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Recognised as Colour

#151AEB

  • #151AEB
  • Blue
  • Dark
  • Nearest: Medium blue

#151AEB is a blue with RGB values 21, 26, 235 and HSL 239°, 84%, 50%. It is a dark colour, so white text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#151AEB#151AEB
HEX#151AEB
RGBrgb(21, 26, 235)
RGB (0–1)0.0824, 0.102, 0.9216
RGB percentages8.2%, 10.2%, 92.2%
HSLhsl(238.6, 84.3%, 50.2%)
HSV / HSBhsv(238.6, 91.1%, 92.2%)
CMYK91.1%, 88.9%, 0%, 7.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,383,147
CSS custom property--colour: #151AEB;

Brightness & contrast

Relative luminance0.06896WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.83:1
Contrast with white8.83:1WCAG normal text: AAA
Contrast with black2.38:1WCAG normal text: Fail
Greyscale equivalent#282828
Inverted#EAE514

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0055F0no red cones; affects about 1% of men; ΔE 34.3 from the original
Deuteranopia#003EE8no green cones; the most common form, about 1% of men; ΔE 20.9 from the original
Tritanopia#00668Bno blue cones; rare, and affects men and women equally; ΔE 106.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.83:1WCAG large text: AAA
Contrast with black, large text2.38:1WCAG large text: Fail

Named colours

Medium blue · ΔE 9.3Blue · ΔE 14.3Blue violet · ΔE 25.4Dark violet · ΔE 29.4Dark blue · ΔE 38.5Dark orchid · ΔE 39.7
Nearest named CSS colourMedium blue (#0000CD)ΔE 9.31, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EBE615
Analogous#1585EB, #7B15EB
Triadic#EB151A, #1AEB15
Split complementary#EB7B15, #85EB15
Tetradic#EB1585, #EBE615, #15EB7B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D1D2FB
Lighter +30%#A2A4F7
Lighter +20%#7376F3
Lighter +10%#4448EF
Darker −10%#1014BD
Darker −20%#0C0F8E
Darker −30%#080A5F
Darker −40%#040530
More saturated +25%#0107FF
Less saturated −25%#3538CB

Channel breakdown

R21
G26
B235
Red21 (8.2%)
Green26 (10.2%)
Blue235 (92.2%)
Hue238.6°
Saturation (HSL)84.25%
Lightness50.2%
Dominant channelBlue
Hex per channelR 15 · G 1A · B EB

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Every value on this page was computed from “151aeb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.