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Recognised as Colour

#03215C

  • #03215C
  • Blue
  • Dark
  • Nearest: Dark slateblue

#03215C is a blue with RGB values 3, 33, 92 and HSL 220°, 94%, 19%. It is a dark colour, so white text on it reaches 15.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#03215C#03215C
HEX#03215C
RGBrgb(3, 33, 92)
RGB (0–1)0.0118, 0.1294, 0.3608
RGB percentages1.2%, 12.9%, 36.1%
HSLhsl(219.8, 93.7%, 18.6%)
HSV / HSBhsv(219.8, 96.7%, 36.1%)
CMYK96.7%, 64.1%, 0%, 63.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer205,148
CSS custom property--colour: #03215C;

Brightness & contrast

Relative luminance0.0188WCAG 2.x, 0 is black and 1 is white
Perceived brightness40.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.26:1
Contrast with white15.26:1WCAG normal text: AAA
Contrast with black1.38:1WCAG normal text: Fail
Greyscale equivalent#1F1F1F
Inverted#FCDEA3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002A5Eno red cones; affects about 1% of men; ΔE 7.7 from the original
Deuteranopia#00215Bno green cones; the most common form, about 1% of men; ΔE 0.8 from the original
Tritanopia#00303Bno blue cones; rare, and affects men and women equally; ΔE 37.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.26:1WCAG large text: AAA
Contrast with black, large text1.38:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 19.3Midnight blue · ΔE 19.5Rebecca purple · ΔE 33.6Indigo · ΔE 39.2Navy · ΔE 41.3Slate blue · ΔE 41.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 19.29, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5C3E03
Analogous#034E5C, #12035C
Triadic#5C0321, #215C03
Split complementary#5C1203, #4D5C03
Tetradic#5C034D, #5C3E03, #035C12

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3375F8
Lighter +30%#0856F0
Lighter +20%#0644BF
Lighter +10%#05338D
Darker −10%#010F2B
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00205F
Less saturated −25%#0F2550

Channel breakdown

R3
G33
B92
Red3 (1.2%)
Green33 (12.9%)
Blue92 (36.1%)
Hue219.78°
Saturation (HSL)93.68%
Lightness18.63%
Dominant channelBlue
Hex per channelR 03 · G 21 · B 5C

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Every value on this page was computed from “03215c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.