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Recognised as Colour

#0059B3

  • #0059B3
  • Blue
  • Dark
  • Nearest: Dark slateblue

#0059B3 is a blue with RGB values 0, 89, 179 and HSL 210°, 100%, 35%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#0059B3#0059B3
HEX#0059B3
RGBrgb(0, 89, 179)
RGB (0–1)0, 0.349, 0.702
RGB percentages0%, 34.9%, 70.2%
HSLhsl(210.2, 100%, 35.1%)
HSV / HSBhsv(210.2, 100%, 70.2%)
CMYK100%, 50.3%, 0%, 29.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer22,963
CSS custom property--colour: #0059B3;

Brightness & contrast

Relative luminance0.10399WCAG 2.x, 0 is black and 1 is white
Perceived brightness91.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.82:1
Contrast with white6.82:1WCAG normal text: AA
Contrast with black3.08:1WCAG normal text: Fail
Greyscale equivalent#4D4D4D
Inverted#FFA64C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1E62B6no red cones; affects about 1% of men; ΔE 5.7 from the original
Deuteranopia#0054B1no green cones; the most common form, about 1% of men; ΔE 3.3 from the original
Tritanopia#006F7Dno blue cones; rare, and affects men and women equally; ΔE 52.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.82:1WCAG large text: AAA
Contrast with black, large text3.08:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 18.8Royal blue · ΔE 19.4Dodgerblue · ΔE 23.2Slate blue · ΔE 23.7Cornflower blue · ΔE 24.2Medium purple · ΔE 28.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 18.76, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B35A00
Analogous#00B3B3, #0000B3
Triadic#B30059, #59B300
Split complementary#B30000, #B3B300
Tetradic#B300B3, #B35A00, #00B300

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#80BFFF
Lighter +30%#4DA6FF
Lighter +20%#1A8CFF
Lighter +10%#0072E6
Darker −10%#004080
Darker −20%#00264D
Darker −30%#000D1A
Darker −40%#000000
More saturated +25%#0059B3
Less saturated −25%#16599D

Channel breakdown

R0
G89
B179
Red0 (0%)
Green89 (34.9%)
Blue179 (70.2%)
Hue210.17°
Saturation (HSL)100%
Lightness35.1%
Dominant channelBlue
Hex per channelR 00 · G 59 · B B3

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Every value on this page was computed from “0059b3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.