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Recognised as Colour

#03508D

  • #03508D
  • Blue
  • Dark
  • Nearest: Steel blue

#03508D is a blue with RGB values 3, 80, 141 and HSL 207°, 96%, 28%. It is a dark colour, so white text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#03508D#03508D
HEX#03508D
RGBrgb(3, 80, 141)
RGB (0–1)0.0118, 0.3137, 0.5529
RGB percentages1.2%, 31.4%, 55.3%
HSLhsl(206.5, 95.8%, 28.2%)
HSV / HSBhsv(206.5, 97.9%, 55.3%)
CMYK97.9%, 43.3%, 0%, 44.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer217,229
CSS custom property--colour: #03508D;

Brightness & contrast

Relative luminance0.0768WCAG 2.x, 0 is black and 1 is white
Perceived brightness77.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.28:1
Contrast with white8.28:1WCAG normal text: AAA
Contrast with black2.54:1WCAG normal text: Fail
Greyscale equivalent#444444
Inverted#FCAF72

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#30548Fno red cones; affects about 1% of men; ΔE 5.1 from the original
Deuteranopia#17498Cno green cones; the most common form, about 1% of men; ΔE 6.5 from the original
Tritanopia#005F67no blue cones; rare, and affects men and women equally; ΔE 37.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.28:1WCAG large text: AAA
Contrast with black, large text2.54:1WCAG large text: Fail

Named colours

Steel blue · ΔE 22Dark slateblue · ΔE 22.4Cornflower blue · ΔE 30.7Midnight blue · ΔE 34.3Slate grey · ΔE 35.4Dodgerblue · ΔE 35.9
Nearest named CSS colourSteel blue (#4682B4)ΔE 22.02, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8D4003
Analogous#038D85, #030B8D
Triadic#8D0350, #508D03
Split complementary#8D030B, #8D8503
Tetradic#85038D, #8D4003, #0B8D03

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#60B7FC
Lighter +30%#2EA0FB
Lighter +20%#0589F1
Lighter +10%#046CBF
Darker −10%#02345B
Darker −20%#011729
Darker −30%#000000
Darker −40%#000000
More saturated +25%#005090
Less saturated −25%#154E7B

Channel breakdown

R3
G80
B141
Red3 (1.2%)
Green80 (31.4%)
Blue141 (55.3%)
Hue206.52°
Saturation (HSL)95.83%
Lightness28.24%
Dominant channelBlue
Hex per channelR 03 · G 50 · B 8D

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Every value on this page was computed from “03508d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.