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Recognised as Colour

#153D96

  • #153D96
  • Blue
  • Dark
  • Nearest: Dark slateblue

#153D96 is a blue with RGB values 21, 61, 150 and HSL 221°, 75%, 34%. It is a dark colour, so white text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#153D96#153D96
HEX#153D96
RGBrgb(21, 61, 150)
RGB (0–1)0.0824, 0.2392, 0.5882
RGB percentages8.2%, 23.9%, 58.8%
HSLhsl(221.4, 75.4%, 33.5%)
HSV / HSBhsv(221.4, 86%, 58.8%)
CMYK86%, 59.3%, 0%, 41.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,392,022
CSS custom property--colour: #153D96;

Brightness & contrast

Relative luminance0.05699WCAG 2.x, 0 is black and 1 is white
Perceived brightness69.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.81:1
Contrast with white9.81:1WCAG normal text: AAA
Contrast with black2.14:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#EAC269

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004A99no red cones; affects about 1% of men; ΔE 10.5 from the original
Deuteranopia#003E94no green cones; the most common form, about 1% of men; ΔE 2.8 from the original
Tritanopia#005463no blue cones; rare, and affects men and women equally; ΔE 53.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.81:1WCAG large text: AAA
Contrast with black, large text2.14:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 11.5Midnight blue · ΔE 16.4Rebecca purple · ΔE 22.1Slate blue · ΔE 22.5Royal blue · ΔE 23.4Medium purple · ΔE 30.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 11.46, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#966E15
Analogous#157D96, #2E1596
Triadic#96153D, #3D9615
Split complementary#962E15, #7D9615
Tetradic#96157D, #966E15, #15962E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#89A8EE
Lighter +30%#5C87E8
Lighter +20%#2F67E2
Lighter +10%#1B4FC3
Darker −10%#0F2B69
Darker −20%#08193D
Darker −30%#020610
Darker −40%#000000
More saturated +25%#0035AB
Less saturated −25%#2A4581

Channel breakdown

R21
G61
B150
Red21 (8.2%)
Green61 (23.9%)
Blue150 (58.8%)
Hue221.4°
Saturation (HSL)75.44%
Lightness33.53%
Dominant channelBlue
Hex per channelR 15 · G 3D · B 96

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Every value on this page was computed from “153d96” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.