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Recognised as Colour

#0D257D

  • #0D257D
  • Blue
  • Dark
  • Nearest: Midnight blue

#0D257D is a blue with RGB values 13, 37, 125 and HSL 227°, 81%, 27%. It is a dark colour, so white text on it reaches 13.3:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#0D257D#0D257D
HEX#0D257D
RGBrgb(13, 37, 125)
RGB (0–1)0.051, 0.1451, 0.4902
RGB percentages5.1%, 14.5%, 49%
HSLhsl(227.1, 81.2%, 27.1%)
HSV / HSBhsv(227.1, 89.6%, 49%)
CMYK89.6%, 70.4%, 0%, 51%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer861,565
CSS custom property--colour: #0D257D;

Brightness & contrast

Relative luminance0.02889WCAG 2.x, 0 is black and 1 is white
Perceived brightness51.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.31:1
Contrast with white13.31:1WCAG normal text: AAA
Contrast with black1.58:1WCAG normal text: Fail
Greyscale equivalent#262626
Inverted#F2DA82

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003580no red cones; affects about 1% of men; ΔE 12.9 from the original
Deuteranopia#002A7Bno green cones; the most common form, about 1% of men; ΔE 5.8 from the original
Tritanopia#003D4Dno blue cones; rare, and affects men and women equally; ΔE 53.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.31:1WCAG large text: AAA
Contrast with black, large text1.58:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 5.8Dark slateblue · ΔE 15Rebecca purple · ΔE 20.6Indigo · ΔE 23.9Navy · ΔE 24.4Slate blue · ΔE 27.7
Nearest named CSS colourMidnight blue (#191970)ΔE 5.82, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7D650D
Analogous#0D5D7D, #2D0D7D
Triadic#7D0D25, #257D0D
Split complementary#7D2D0D, #5D7D0D
Tetradic#7D0D5D, #7D650D, #0D7D2D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6784EF
Lighter +30%#395FEA
Lighter +20%#1740D9
Lighter +10%#1233AB
Darker −10%#08174F
Darker −20%#030A21
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001E8A
Less saturated −25%#1E2F6C

Channel breakdown

R13
G37
B125
Red13 (5.1%)
Green37 (14.5%)
Blue125 (49%)
Hue227.14°
Saturation (HSL)81.16%
Lightness27.06%
Dominant channelBlue
Hex per channelR 0D · G 25 · B 7D

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Every value on this page was computed from “0d257d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.