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Recognised as Colour

#15232D

  • #15232D
  • Blue
  • Dark
  • Nearest: Black

#15232D is a blue with RGB values 21, 35, 45 and HSL 205°, 36%, 13%. It is a dark colour, so white text on it reaches 16:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#15232D#15232D
HEX#15232D
RGBrgb(21, 35, 45)
RGB (0–1)0.0824, 0.1373, 0.1765
RGB percentages8.2%, 13.7%, 17.6%
HSLhsl(205, 36.4%, 12.9%)
HSV / HSBhsv(205, 53.3%, 17.6%)
CMYK53.3%, 22.2%, 0%, 82.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,385,261
CSS custom property--colour: #15232D;

Brightness & contrast

Relative luminance0.01551WCAG 2.x, 0 is black and 1 is white
Perceived brightness32.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.03:1
Contrast with white16.03:1WCAG normal text: AAA
Contrast with black1.31:1WCAG normal text: Fail
Greyscale equivalent#212121
Inverted#EADCD2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1F232Dno red cones; affects about 1% of men; ΔE 4 from the original
Deuteranopia#1B202Dno green cones; the most common form, about 1% of men; ΔE 4.4 from the original
Tritanopia#0B2526no blue cones; rare, and affects men and women equally; ΔE 8.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.03:1WCAG large text: AAA
Contrast with black, large text1.31:1WCAG large text: Fail

Named colours

Black · ΔE 15.7Dark slate grey · ΔE 21Dim grey · ΔE 32.7Slate grey · ΔE 40Gray · ΔE 41.6Light slate grey · ΔE 43.1
Nearest named CSS colourBlack (#000000)ΔE 15.69, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2D1F15
Analogous#152D2B, #15172D
Triadic#2D1523, #232D15
Split complementary#2D1517, #2D2B15
Tetradic#2B152D, #2D1F15, #172D15

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5B8EB3
Lighter +30%#467495
Lighter +20%#355973
Lighter +10%#253E50
Darker −10%#05080A
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0D2435
Less saturated −25%#1D2225

Channel breakdown

R21
G35
B45
Red21 (8.2%)
Green35 (13.7%)
Blue45 (17.6%)
Hue205°
Saturation (HSL)36.36%
Lightness12.94%
Dominant channelBlue
Hex per channelR 15 · G 23 · B 2D

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Every value on this page was computed from “15232d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.