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Recognised as Colour

#00528D

  • #00528D
  • Blue
  • Dark
  • Nearest: Steel blue

#00528D is a blue with RGB values 0, 82, 141 and HSL 205°, 100%, 28%. It is a dark colour, so white text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#00528D#00528D
HEX#00528D
RGBrgb(0, 82, 141)
RGB (0–1)0, 0.3216, 0.5529
RGB percentages0%, 32.2%, 55.3%
HSLhsl(205.1, 100%, 27.6%)
HSV / HSBhsv(205.1, 100%, 55.3%)
CMYK100%, 41.8%, 0%, 44.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer21,133
CSS custom property--colour: #00528D;

Brightness & contrast

Relative luminance0.07958WCAG 2.x, 0 is black and 1 is white
Perceived brightness78.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.1:1
Contrast with white8.1:1WCAG normal text: AAA
Contrast with black2.59:1WCAG normal text: Fail
Greyscale equivalent#454545
Inverted#FFAD72

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#34568Fno red cones; affects about 1% of men; ΔE 6 from the original
Deuteranopia#1C4A8Cno green cones; the most common form, about 1% of men; ΔE 7.8 from the original
Tritanopia#006068no blue cones; rare, and affects men and women equally; ΔE 35.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.1:1WCAG large text: AAA
Contrast with black, large text2.59:1WCAG large text: Fail

Named colours

Steel blue · ΔE 20.7Dark slateblue · ΔE 24.1Cornflower blue · ΔE 30.8Slate grey · ΔE 34.1Light slate grey · ΔE 35.5Midnight blue · ΔE 36.1
Nearest named CSS colourSteel blue (#4682B4)ΔE 20.69, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8D3B00
Analogous#008D82, #000B8D
Triadic#8D0052, #528D00
Split complementary#8D000B, #8D8200
Tetradic#82008D, #8D3B00, #0B8D00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5ABAFF
Lighter +30%#27A5FF
Lighter +20%#008DF3
Lighter +10%#0070C0
Darker −10%#00345A
Darker −20%#001727
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00528D
Less saturated −25%#124F7B

Channel breakdown

R0
G82
B141
Red0 (0%)
Green82 (32.2%)
Blue141 (55.3%)
Hue205.11°
Saturation (HSL)100%
Lightness27.65%
Dominant channelBlue
Hex per channelR 00 · G 52 · B 8D

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Every value on this page was computed from “00528d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.