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Recognised as Colour

#154E7B

  • #154E7B
  • Blue
  • Dark
  • Nearest: Steel blue

#154E7B is a blue with RGB values 21, 78, 123 and HSL 206°, 71%, 28%. It is a dark colour, so white text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#154E7B#154E7B
HEX#154E7B
RGBrgb(21, 78, 123)
RGB (0–1)0.0824, 0.3059, 0.4824
RGB percentages8.2%, 30.6%, 48.2%
HSLhsl(206.5, 70.8%, 28.2%)
HSV / HSBhsv(206.5, 82.9%, 48.2%)
CMYK82.9%, 36.6%, 0%, 51.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,396,347
CSS custom property--colour: #154E7B;

Brightness & contrast

Relative luminance0.07038WCAG 2.x, 0 is black and 1 is white
Perceived brightness73.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.72:1
Contrast with white8.72:1WCAG normal text: AAA
Contrast with black2.41:1WCAG normal text: Fail
Greyscale equivalent#454545
Inverted#EAB184

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#39507Dno red cones; affects about 1% of men; ΔE 6.9 from the original
Deuteranopia#2A477Ano green cones; the most common form, about 1% of men; ΔE 7.9 from the original
Tritanopia#00595Eno blue cones; rare, and affects men and women equally; ΔE 29 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.72:1WCAG large text: AAA
Contrast with black, large text2.41:1WCAG large text: Fail

Named colours

Steel blue · ΔE 20.9Slate grey · ΔE 29Dark slate grey · ΔE 29Dark slateblue · ΔE 29.2Light slate grey · ΔE 31Dim grey · ΔE 33.1
Nearest named CSS colourSteel blue (#4682B4)ΔE 20.88, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7B4215
Analogous#157B75, #151B7B
Triadic#7B154E, #4E7B15
Split complementary#7B151B, #7B7515
Tetradic#75157B, #7B4215, #1B7B15

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#75B5E7
Lighter +30%#499DE0
Lighter +20%#2485D2
Lighter +10%#1C6AA7
Darker −10%#0E324F
Darker −20%#061724
Darker −30%#000000
Darker −40%#000000
More saturated +25%#03508D
Less saturated −25%#274C69

Channel breakdown

R21
G78
B123
Red21 (8.2%)
Green78 (30.6%)
Blue123 (48.2%)
Hue206.47°
Saturation (HSL)70.83%
Lightness28.24%
Dominant channelBlue
Hex per channelR 15 · G 4E · B 7B

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Every value on this page was computed from “154e7b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.