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Recognised as Colour

#15435E

  • #15435E
  • Blue
  • Dark
  • Nearest: Dark slate grey

#15435E is a blue with RGB values 21, 67, 94 and HSL 202°, 63%, 23%. It is a dark colour, so white text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#15435E#15435E
HEX#15435E
RGBrgb(21, 67, 94)
RGB (0–1)0.0824, 0.2627, 0.3686
RGB percentages8.2%, 26.3%, 36.9%
HSLhsl(202.2, 63.5%, 22.5%)
HSV / HSBhsv(202.2, 77.7%, 36.9%)
CMYK77.7%, 28.7%, 0%, 63.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,393,502
CSS custom property--colour: #15435E;

Brightness & contrast

Relative luminance0.04982WCAG 2.x, 0 is black and 1 is white
Perceived brightness61.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.52:1
Contrast with white10.52:1WCAG normal text: AAA
Contrast with black2:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#EABCA1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#36435Fno red cones; affects about 1% of men; ΔE 8.7 from the original
Deuteranopia#2C3C5Eno green cones; the most common form, about 1% of men; ΔE 9.9 from the original
Tritanopia#004A4Cno blue cones; rare, and affects men and women equally; ΔE 19.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.52:1WCAG large text: AAA
Contrast with black, large text2:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 18.5Dim grey · ΔE 27.6Slate grey · ΔE 28.1Steel blue · ΔE 28.4Light slate grey · ΔE 30.8Black · ΔE 34
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 18.49, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5E3015
Analogous#155E54, #151F5E
Triadic#5E1543, #435E15
Split complementary#5E151F, #5E5515
Tetradic#54155E, #5E3015, #1F5E15

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#63AFDC
Lighter +30%#399AD3
Lighter +20%#287EB1
Lighter +10%#1E6188
Darker −10%#0C2534
Darker −20%#02080B
Darker −30%#000000
Darker −40%#000000
More saturated +25%#07476C
Less saturated −25%#233F50

Channel breakdown

R21
G67
B94
Red21 (8.2%)
Green67 (26.3%)
Blue94 (36.9%)
Hue202.19°
Saturation (HSL)63.48%
Lightness22.55%
Dominant channelBlue
Hex per channelR 15 · G 43 · B 5E

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Every value on this page was computed from “15435e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.