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Recognised as Colour

#015189

  • #015189
  • Blue
  • Dark
  • Nearest: Steel blue

#015189 is a blue with RGB values 1, 81, 137 and HSL 205°, 99%, 27%. It is a dark colour, so white text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#015189#015189
HEX#015189
RGBrgb(1, 81, 137)
RGB (0–1)0.0039, 0.3176, 0.5373
RGB percentages0.4%, 31.8%, 53.7%
HSLhsl(204.7, 98.6%, 27.1%)
HSV / HSBhsv(204.7, 99.3%, 53.7%)
CMYK99.3%, 40.9%, 0%, 46.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer86,409
CSS custom property--colour: #015189;

Brightness & contrast

Relative luminance0.07697WCAG 2.x, 0 is black and 1 is white
Perceived brightness77.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.27:1
Contrast with white8.27:1WCAG normal text: AAA
Contrast with black2.54:1WCAG normal text: Fail
Greyscale equivalent#444444
Inverted#FEAE76

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#35548Bno red cones; affects about 1% of men; ΔE 6.5 from the original
Deuteranopia#1F4988no green cones; the most common form, about 1% of men; ΔE 8.1 from the original
Tritanopia#005F66no blue cones; rare, and affects men and women equally; ΔE 34.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.27:1WCAG large text: AAA
Contrast with black, large text2.54:1WCAG large text: Fail

Named colours

Steel blue · ΔE 20.5Dark slateblue · ΔE 25.2Cornflower blue · ΔE 32.1Slate grey · ΔE 33Light slate grey · ΔE 34.5Dark slate grey · ΔE 35.9
Nearest named CSS colourSteel blue (#4682B4)ΔE 20.48, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#893901
Analogous#01897D, #010D89
Triadic#890151, #518901
Split complementary#89010D, #897D01
Tetradic#7D0189, #893901, #0D8901

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#58BAFE
Lighter +30%#26A5FD
Lighter +20%#028DEE
Lighter +10%#016FBC
Darker −10%#013356
Darker −20%#001524
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00518A
Less saturated −25%#124E78

Channel breakdown

R1
G81
B137
Red1 (0.4%)
Green81 (31.8%)
Blue137 (53.7%)
Hue204.71°
Saturation (HSL)98.55%
Lightness27.06%
Dominant channelBlue
Hex per channelR 01 · G 51 · B 89

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Every value on this page was computed from “hex 015189” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.