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Recognised as Colour

#154D6F

  • #154D6F
  • Blue
  • Dark
  • Nearest: Dark slate grey

#154D6F is a blue with RGB values 21, 77, 111 and HSL 203°, 68%, 26%. It is a dark colour, so white text on it reaches 9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#154D6F#154D6F
HEX#154D6F
RGBrgb(21, 77, 111)
RGB (0–1)0.0824, 0.302, 0.4353
RGB percentages8.2%, 30.2%, 43.5%
HSLhsl(202.7, 68.2%, 25.9%)
HSV / HSBhsv(202.7, 81.1%, 43.5%)
CMYK81.1%, 30.6%, 0%, 56.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,396,079
CSS custom property--colour: #154D6F;

Brightness & contrast

Relative luminance0.06615WCAG 2.x, 0 is black and 1 is white
Perceived brightness70.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.04:1
Contrast with white9.04:1WCAG normal text: AAA
Contrast with black2.32:1WCAG normal text: Fail
Greyscale equivalent#444444
Inverted#EAB290

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3D4D71no red cones; affects about 1% of men; ΔE 9.7 from the original
Deuteranopia#31456Eno green cones; the most common form, about 1% of men; ΔE 10.5 from the original
Tritanopia#005659no blue cones; rare, and affects men and women equally; ΔE 22.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.04:1WCAG large text: AAA
Contrast with black, large text2.32:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 22Steel blue · ΔE 22.8Slate grey · ΔE 26.2Dim grey · ΔE 28.6Light slate grey · ΔE 28.6Teal · ΔE 33.6
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 22, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6F3715
Analogous#156F64, #15206F
Triadic#6F154D, #4D6F15
Split complementary#6F1520, #6F6415
Tetradic#64156F, #6F3715, #206F15

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6DB7E3
Lighter +30%#42A1DB
Lighter +20%#2589C5
Lighter +10%#1D6B9A
Darker −10%#0D2F44
Darker −20%#051219
Darker −30%#000000
Darker −40%#000000
More saturated +25%#055180
Less saturated −25%#26495F

Channel breakdown

R21
G77
B111
Red21 (8.2%)
Green77 (30.2%)
Blue111 (43.5%)
Hue202.67°
Saturation (HSL)68.18%
Lightness25.88%
Dominant channelBlue
Hex per channelR 15 · G 4D · B 6F

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Every value on this page was computed from “154d6f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.