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Colour

#000315

  • #000315
  • Blue
  • Dark
  • Nearest: Black

#000315 is a blue with RGB values 0, 3, 21 and HSL 231°, 100%, 4%. It is a dark colour, so white text on it reaches 20.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#000315#000315
HEX#000315
RGBrgb(0, 3, 21)
RGB (0–1)0, 0.0118, 0.0824
RGB percentages0%, 1.2%, 8.2%
HSLhsl(231.4, 100%, 4.1%)
HSV / HSBhsv(231.4, 100%, 8.2%)
CMYK100%, 85.7%, 0%, 91.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer789
CSS custom property--colour: #000315;

Brightness & contrast

Relative luminance0.00119WCAG 2.x, 0 is black and 1 is white
Perceived brightness7.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 20.51:1
Contrast with white20.51:1WCAG normal text: AAA
Contrast with black1.02:1WCAG normal text: Fail
Greyscale equivalent#040404
Inverted#FFFCEA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#000516no red cones; affects about 1% of men; ΔE 0.7 from the original
Deuteranopia#000315no green cones; the most common form, about 1% of men; ΔE 0 from the original
Tritanopia#00060Ano blue cones; rare, and affects men and women equally; ΔE 7.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text20.51:1WCAG large text: AAA
Contrast with black, large text1.02:1WCAG large text: Fail

Named colours

Black · ΔE 8.8Dark slate grey · ΔE 33.6Dim grey · ΔE 44.2Dark slateblue · ΔE 50.8Slate grey · ΔE 52Midnight blue · ΔE 52.7
Nearest named CSS colourBlack (#000000)ΔE 8.85, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#151200
Analogous#000D15, #080015
Triadic#150003, #031500
Split complementary#150800, #0D1500
Tetradic#15000D, #151200, #001508

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#0020E1
Lighter +30%#0019AE
Lighter +20%#00127B
Lighter +10%#000A48
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#000315
Less saturated −25%#030512

Channel breakdown

R0
G3
B21
Red0 (0%)
Green3 (1.2%)
Blue21 (8.2%)
Hue231.43°
Saturation (HSL)100%
Lightness4.12%
Dominant channelBlue
Hex per channelR 00 · G 03 · B 15

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Every value on this page was computed from “hex 000315” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.