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Recognised as Colour

#154D79

  • #154D79
  • Blue
  • Dark
  • Nearest: Steel blue

#154D79 is a blue with RGB values 21, 77, 121 and HSL 206°, 70%, 28%. It is a dark colour, so white text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#154D79#154D79
HEX#154D79
RGBrgb(21, 77, 121)
RGB (0–1)0.0824, 0.302, 0.4745
RGB percentages8.2%, 30.2%, 47.5%
HSLhsl(206.4, 70.4%, 27.8%)
HSV / HSBhsv(206.4, 82.6%, 47.5%)
CMYK82.6%, 36.4%, 0%, 52.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,396,089
CSS custom property--colour: #154D79;

Brightness & contrast

Relative luminance0.06848WCAG 2.x, 0 is black and 1 is white
Perceived brightness72.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.86:1
Contrast with white8.86:1WCAG normal text: AAA
Contrast with black2.37:1WCAG normal text: Fail
Greyscale equivalent#444444
Inverted#EAB286

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#384F7Bno red cones; affects about 1% of men; ΔE 6.8 from the original
Deuteranopia#2A4678no green cones; the most common form, about 1% of men; ΔE 7.9 from the original
Tritanopia#00585Dno blue cones; rare, and affects men and women equally; ΔE 28.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.86:1WCAG large text: AAA
Contrast with black, large text2.37:1WCAG large text: Fail

Named colours

Steel blue · ΔE 21.3Dark slate grey · ΔE 28.5Slate grey · ΔE 29Dark slateblue · ΔE 29.6Light slate grey · ΔE 31Dim grey · ΔE 32.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 21.34, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#794115
Analogous#157973, #151B79
Triadic#79154D, #4D7915
Split complementary#79151B, #797315
Tetradic#731579, #794115, #1B7915

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#73B4E7
Lighter +30%#489DDF
Lighter +20%#2484D0
Lighter +10%#1D69A4
Darker −10%#0D314E
Darker −20%#061622
Darker −30%#000000
Darker −40%#000000
More saturated +25%#034F8B
Less saturated −25%#274B67

Channel breakdown

R21
G77
B121
Red21 (8.2%)
Green77 (30.2%)
Blue121 (47.5%)
Hue206.4°
Saturation (HSL)70.42%
Lightness27.84%
Dominant channelBlue
Hex per channelR 15 · G 4D · B 79

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Every value on this page was computed from “154d79” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.