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Colour

#1506C4

  • #1506C4
  • Blue
  • Dark
  • Nearest: Medium blue

#1506C4 is a blue with RGB values 21, 6, 196 and HSL 245°, 94%, 40%. It is a dark colour, so white text on it reaches 11.3:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#1506C4#1506C4
HEX#1506C4
RGBrgb(21, 6, 196)
RGB (0–1)0.0824, 0.0235, 0.7686
RGB percentages8.2%, 2.4%, 76.9%
HSLhsl(244.7, 94.1%, 39.6%)
HSV / HSBhsv(244.7, 96.9%, 76.9%)
CMYK89.3%, 96.9%, 0%, 23.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,377,988
CSS custom property--colour: #1506C4;

Brightness & contrast

Relative luminance0.04275WCAG 2.x, 0 is black and 1 is white
Perceived brightness67.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.32:1
Contrast with white11.32:1WCAG normal text: AAA
Contrast with black1.86:1WCAG normal text: Fail
Greyscale equivalent#171717
Inverted#EAF93B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0044C8no red cones; affects about 1% of men; ΔE 32.8 from the original
Deuteranopia#0030C1no green cones; the most common form, about 1% of men; ΔE 20.9 from the original
Tritanopia#005172no blue cones; rare, and affects men and women equally; ΔE 95.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.32:1WCAG large text: AAA
Contrast with black, large text1.86:1WCAG large text: Fail

Named colours

Medium blue · ΔE 5.7Blue violet · ΔE 22.2Dark blue · ΔE 24.7Dark violet · ΔE 25.6Blue · ΔE 27.1Navy · ΔE 29.9
Nearest named CSS colourMedium blue (#0000CD)ΔE 5.7, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B5C406
Analogous#0656C4, #7406C4
Triadic#C41506, #06C415
Split complementary#C47406, #56C406
Tetradic#C40656, #B5C406, #06C474

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A29AFC
Lighter +30%#7469FA
Lighter +20%#4637F9
Lighter +10%#1A08F5
Darker −10%#100493
Darker −20%#0A0361
Darker −30%#050130
Darker −40%#000000
More saturated +25%#1000CA
Less saturated −25%#2A1FAB

Channel breakdown

R21
G6
B196
Red21 (8.2%)
Green6 (2.4%)
Blue196 (76.9%)
Hue244.74°
Saturation (HSL)94.06%
Lightness39.61%
Dominant channelBlue
Hex per channelR 15 · G 06 · B C4

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Every value on this page was computed from “1506c4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.