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Colour

#12447F

  • #12447F
  • Blue
  • Dark
  • Nearest: Dark slateblue

#12447F is a blue with RGB values 18, 68, 127 and HSL 212°, 75%, 28%. It is a dark colour, so white text on it reaches 9.7:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#12447F#12447F
HEX#12447F
RGBrgb(18, 68, 127)
RGB (0–1)0.0706, 0.2667, 0.498
RGB percentages7.1%, 26.7%, 49.8%
HSLhsl(212.5, 75.2%, 28.4%)
HSV / HSBhsv(212.5, 85.8%, 49.8%)
CMYK85.8%, 46.5%, 0%, 50.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,197,183
CSS custom property--colour: #12447F;

Brightness & contrast

Relative luminance0.05795WCAG 2.x, 0 is black and 1 is white
Perceived brightness68.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.73:1
Contrast with white9.73:1WCAG normal text: AAA
Contrast with black2.16:1WCAG normal text: Fail
Greyscale equivalent#3E3E3E
Inverted#EDBB80

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#254981no red cones; affects about 1% of men; ΔE 3.4 from the original
Deuteranopia#0C407Eno green cones; the most common form, about 1% of men; ΔE 2.9 from the original
Tritanopia#00525Bno blue cones; rare, and affects men and women equally; ΔE 36.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.73:1WCAG large text: AAA
Contrast with black, large text2.16:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 19.4Steel blue · ΔE 26.8Midnight blue · ΔE 30.1Cornflower blue · ΔE 35Rebecca purple · ΔE 37.1Slate grey · ΔE 37.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 19.4, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7F4D12
Analogous#127A7F, #16127F
Triadic#7F1244, #447F12
Split complementary#7F1612, #7B7F12
Tetradic#7F127B, #7F4D12, #127F17

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#72AAEB
Lighter +30%#458EE5
Lighter +20%#1F74D8
Lighter +10%#185CAC
Darker −10%#0C2C52
Darker −20%#051426
Darker −30%#000000
Darker −40%#000000
More saturated +25%#004391
Less saturated −25%#24456D

Channel breakdown

R18
G68
B127
Red18 (7.1%)
Green68 (26.7%)
Blue127 (49.8%)
Hue212.48°
Saturation (HSL)75.17%
Lightness28.43%
Dominant channelBlue
Hex per channelR 12 · G 44 · B 7F

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Every value on this page was computed from “12447f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.