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Colour

#0317BD

  • #0317BD
  • Blue
  • Dark
  • Nearest: Medium blue

#0317BD is a blue with RGB values 3, 23, 189 and HSL 234°, 97%, 38%. 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

#0317BD#0317BD
HEX#0317BD
RGBrgb(3, 23, 189)
RGB (0–1)0.0118, 0.0902, 0.7412
RGB percentages1.2%, 9%, 74.1%
HSLhsl(233.5, 96.9%, 37.6%)
HSV / HSBhsv(233.5, 98.4%, 74.1%)
CMYK98.4%, 87.8%, 0%, 25.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer202,685
CSS custom property--colour: #0317BD;

Brightness & contrast

Relative luminance0.04306WCAG 2.x, 0 is black and 1 is white
Perceived brightness66.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.28:1
Contrast with white11.28:1WCAG normal text: AAA
Contrast with black1.86:1WCAG normal text: Fail
Greyscale equivalent#1F1F1F
Inverted#FCE842

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0044C1no red cones; affects about 1% of men; ΔE 28.6 from the original
Deuteranopia#0031BAno green cones; the most common form, about 1% of men; ΔE 17.1 from the original
Tritanopia#005170no blue cones; rare, and affects men and women equally; ΔE 88.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.28:1WCAG large text: AAA
Contrast with black, large text1.86:1WCAG large text: Fail

Named colours

Medium blue · ΔE 13.5Dark blue · ΔE 18.3Blue violet · ΔE 23.1Navy · ΔE 23.4Dark violet · ΔE 27.3Indigo · ΔE 30.1
Nearest named CSS colourMedium blue (#0000CD)ΔE 13.51, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BDA903
Analogous#0374BD, #4C03BD
Triadic#BD0317, #17BD03
Split complementary#BD4C03, #74BD03
Tetradic#BD0374, #BDA903, #03BD4C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8F9BFD
Lighter +30%#5D6EFC
Lighter +20%#2A41FC
Lighter +10%#041DEF
Darker −10%#02118B
Darker −20%#010B59
Darker −30%#010526
Darker −40%#000000
More saturated +25%#0015C0
Less saturated −25%#1B2AA5

Channel breakdown

R3
G23
B189
Red3 (1.2%)
Green23 (9%)
Blue189 (74.1%)
Hue233.55°
Saturation (HSL)96.88%
Lightness37.65%
Dominant channelBlue
Hex per channelR 03 · G 17 · B BD

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Every value on this page was computed from “0317bd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.