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Colour

#12477A

  • #12477A
  • Blue
  • Dark
  • Nearest: Steel blue

#12477A is a blue with RGB values 18, 71, 122 and HSL 209°, 74%, 27%. It is a dark colour, so white text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#12477A#12477A
HEX#12477A
RGBrgb(18, 71, 122)
RGB (0–1)0.0706, 0.2784, 0.4784
RGB percentages7.1%, 27.8%, 47.8%
HSLhsl(209.4, 74.3%, 27.5%)
HSV / HSBhsv(209.4, 85.2%, 47.8%)
CMYK85.2%, 41.8%, 0%, 52.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,197,946
CSS custom property--colour: #12477A;

Brightness & contrast

Relative luminance0.0604WCAG 2.x, 0 is black and 1 is white
Perceived brightness68.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.51:1
Contrast with white9.51:1WCAG normal text: AAA
Contrast with black2.21:1WCAG normal text: Fail
Greyscale equivalent#3F3F3F
Inverted#EDB885

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2E4B7Cno red cones; affects about 1% of men; ΔE 4.4 from the original
Deuteranopia#1D4179no green cones; the most common form, about 1% of men; ΔE 5.7 from the original
Tritanopia#00535Ano blue cones; rare, and affects men and women equally; ΔE 32.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.51:1WCAG large text: AAA
Contrast with black, large text2.21:1WCAG large text: Fail

Named colours

Steel blue · ΔE 24.1Dark slateblue · ΔE 24.5Slate grey · ΔE 33.3Dark slate grey · ΔE 33.6Light slate grey · ΔE 35.2Midnight blue · ΔE 35.4
Nearest named CSS colourSteel blue (#4682B4)ΔE 24.09, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7A4512
Analogous#127A79, #12137A
Triadic#7A1247, #477A12
Split complementary#7A1213, #7A7912
Tetradic#79127A, #7A4512, #137A12

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6EADEA
Lighter +30%#4294E3
Lighter +20%#1F7BD3
Lighter +10%#1961A6
Darker −10%#0B2D4E
Darker −20%#051321
Darker −30%#000000
Darker −40%#000000
More saturated +25%#01478C
Less saturated −25%#244769

Channel breakdown

R18
G71
B122
Red18 (7.1%)
Green71 (27.8%)
Blue122 (47.8%)
Hue209.42°
Saturation (HSL)74.29%
Lightness27.45%
Dominant channelBlue
Hex per channelR 12 · G 47 · B 7A

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Every value on this page was computed from “12477a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.