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Recognised as Colour

#0D123F

  • #0D123F
  • Blue
  • Dark
  • Nearest: Midnight blue

#0D123F is a blue with RGB values 13, 18, 63 and HSL 234°, 66%, 15%. It is a dark colour, so white text on it reaches 17.9:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#0D123F#0D123F
HEX#0D123F
RGBrgb(13, 18, 63)
RGB (0–1)0.051, 0.0706, 0.2471
RGB percentages5.1%, 7.1%, 24.7%
HSLhsl(234, 65.8%, 14.9%)
HSV / HSBhsv(234, 79.4%, 24.7%)
CMYK79.4%, 71.4%, 0%, 75.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer856,639
CSS custom property--colour: #0D123F;

Brightness & contrast

Relative luminance0.00877WCAG 2.x, 0 is black and 1 is white
Perceived brightness26.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.87:1
Contrast with white17.87:1WCAG normal text: AAA
Contrast with black1.18:1WCAG normal text: Fail
Greyscale equivalent#141414
Inverted#F2EDC0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001A40no red cones; affects about 1% of men; ΔE 8.5 from the original
Deuteranopia#00153Eno green cones; the most common form, about 1% of men; ΔE 4.9 from the original
Tritanopia#001E26no blue cones; rare, and affects men and women equally; ΔE 31.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.87:1WCAG large text: AAA
Contrast with black, large text1.18:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 26.9Dark slateblue · ΔE 28.1Black · ΔE 34.3Rebecca purple · ΔE 40.9Dark slate grey · ΔE 44.3Indigo · ΔE 44.9
Nearest named CSS colourMidnight blue (#191970)ΔE 26.86, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3F3A0D
Analogous#0D2B3F, #210D3F
Triadic#3F0D12, #123F0D
Split complementary#3F210D, #2B3F0D
Tetradic#3F0D2B, #3F3A0D, #0D3F21

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#404FD8
Lighter +30%#2736BE
Lighter +20%#1E2A94
Lighter +10%#161E69
Darker −10%#040615
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#030A49
Less saturated −25%#161A35

Channel breakdown

R13
G18
B63
Red13 (5.1%)
Green18 (7.1%)
Blue63 (24.7%)
Hue234°
Saturation (HSL)65.79%
Lightness14.9%
Dominant channelBlue
Hex per channelR 0D · G 12 · B 3F

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Every value on this page was computed from “0d123f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.