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Colour

#005FA1

  • #005FA1
  • Blue
  • Dark
  • Nearest: Steel blue

#005FA1 is a blue with RGB values 0, 95, 161 and HSL 205°, 100%, 32%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#005FA1#005FA1
HEX#005FA1
RGBrgb(0, 95, 161)
RGB (0–1)0, 0.3725, 0.6314
RGB percentages0%, 37.3%, 63.1%
HSLhsl(204.6, 100%, 31.6%)
HSV / HSBhsv(204.6, 100%, 63.1%)
CMYK100%, 41%, 0%, 36.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer24,481
CSS custom property--colour: #005FA1;

Brightness & contrast

Relative luminance0.10758WCAG 2.x, 0 is black and 1 is white
Perceived brightness90.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.66:1
Contrast with white6.66:1WCAG normal text: AA
Contrast with black3.15:1WCAG normal text: Fail
Greyscale equivalent#505050
Inverted#FFA05E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3E63A4no red cones; affects about 1% of men; ΔE 7 from the original
Deuteranopia#2456A0no green cones; the most common form, about 1% of men; ΔE 8.9 from the original
Tritanopia#006F78no blue cones; rare, and affects men and women equally; ΔE 39 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.66:1WCAG large text: AAA
Contrast with black, large text3.15:1WCAG large text: AA

Named colours

Steel blue · ΔE 17.8Cornflower blue · ΔE 24.9Dark slateblue · ΔE 25.2Dodgerblue · ΔE 30.3Royal blue · ΔE 34.4Slate grey · ΔE 34.7
Nearest named CSS colourSteel blue (#4682B4)ΔE 17.82, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A14200
Analogous#00A193, #000EA1
Triadic#A1005F, #5FA100
Split complementary#A1000E, #A19300
Tetradic#9300A1, #A14200, #0EA100

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6EC4FF
Lighter +30%#3BAFFF
Lighter +20%#089AFF
Lighter +10%#007DD4
Darker −10%#00416E
Darker −20%#00233B
Darker −30%#000508
Darker −40%#000000
More saturated +25%#005FA1
Less saturated −25%#145B8D

Channel breakdown

R0
G95
B161
Red0 (0%)
Green95 (37.3%)
Blue161 (63.1%)
Hue204.6°
Saturation (HSL)100%
Lightness31.57%
Dominant channelBlue
Hex per channelR 00 · G 5F · B A1

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Every value on this page was computed from “005fa1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.