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Recognised as Colour

#031C4E

  • #031C4E
  • Blue
  • Dark
  • Nearest: Dark slateblue

#031C4E is a blue with RGB values 3, 28, 78 and HSL 220°, 93%, 16%. It is a dark colour, so white text on it reaches 16.4:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#031C4E#031C4E
HEX#031C4E
RGBrgb(3, 28, 78)
RGB (0–1)0.0118, 0.1098, 0.3059
RGB percentages1.2%, 11%, 30.6%
HSLhsl(220, 92.6%, 15.9%)
HSV / HSBhsv(220, 96.2%, 30.6%)
CMYK96.2%, 64.1%, 0%, 69.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer203,854
CSS custom property--colour: #031C4E;

Brightness & contrast

Relative luminance0.014WCAG 2.x, 0 is black and 1 is white
Perceived brightness34 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.41:1
Contrast with white16.41:1WCAG normal text: AAA
Contrast with black1.28:1WCAG normal text: Fail
Greyscale equivalent#1A1A1A
Inverted#FCE3B1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002350no red cones; affects about 1% of men; ΔE 5.9 from the original
Deuteranopia#001C4Dno green cones; the most common form, about 1% of men; ΔE 0.9 from the original
Tritanopia#002931no blue cones; rare, and affects men and women equally; ΔE 34 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.41:1WCAG large text: AAA
Contrast with black, large text1.28:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 24.3Midnight blue · ΔE 24.7Black · ΔE 37.9Rebecca purple · ΔE 38.7Dark slate grey · ΔE 43.4Indigo · ΔE 44
Nearest named CSS colourDark slateblue (#483D8B)ΔE 24.32, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4E3503
Analogous#03424E, #10034E
Triadic#4E031C, #1C4E03
Split complementary#4E1003, #424E03
Tetradic#4E0342, #4E3503, #034E0F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#266CF7
Lighter +30%#0951E1
Lighter +20%#073FB0
Lighter +10%#052E7F
Darker −10%#010A1D
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001B51
Less saturated −25%#0D1F44

Channel breakdown

R3
G28
B78
Red3 (1.2%)
Green28 (11%)
Blue78 (30.6%)
Hue220°
Saturation (HSL)92.59%
Lightness15.88%
Dominant channelBlue
Hex per channelR 03 · G 1C · B 4E

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Every value on this page was computed from “031c4e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.