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Recognised as Colour

#0058B3

  • #0058B3
  • Blue
  • Dark
  • Nearest: Dark slateblue

#0058B3 is a blue with RGB values 0, 88, 179 and HSL 211°, 100%, 35%. It is a dark colour, so white text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#0058B3#0058B3
HEX#0058B3
RGBrgb(0, 88, 179)
RGB (0–1)0, 0.3451, 0.702
RGB percentages0%, 34.5%, 70.2%
HSLhsl(210.5, 100%, 35.1%)
HSV / HSBhsv(210.5, 100%, 70.2%)
CMYK100%, 50.8%, 0%, 29.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer22,707
CSS custom property--colour: #0058B3;

Brightness & contrast

Relative luminance0.10234WCAG 2.x, 0 is black and 1 is white
Perceived brightness90.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.89:1
Contrast with white6.89:1WCAG normal text: AA
Contrast with black3.05:1WCAG normal text: Fail
Greyscale equivalent#4C4C4C
Inverted#FFA74C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1A62B6no red cones; affects about 1% of men; ΔE 6.6 from the original
Deuteranopia#0053B1no green cones; the most common form, about 1% of men; ΔE 3.3 from the original
Tritanopia#006E7Dno blue cones; rare, and affects men and women equally; ΔE 52.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.89:1WCAG large text: AAA
Contrast with black, large text3.05:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 18.5Royal blue · ΔE 18.8Slate blue · ΔE 23.1Dodgerblue · ΔE 23.4Cornflower blue · ΔE 24.7Medium purple · ΔE 28.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 18.51, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B35B00
Analogous#00B1B3, #0200B3
Triadic#B30058, #58B300
Split complementary#B30200, #B1B300
Tetradic#B300B1, #B35B00, #00B302

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#80BEFF
Lighter +30%#4DA5FF
Lighter +20%#1A8BFF
Lighter +10%#0071E6
Darker −10%#003F80
Darker −20%#00264D
Darker −30%#000D1A
Darker −40%#000000
More saturated +25%#0058B3
Less saturated −25%#16589D

Channel breakdown

R0
G88
B179
Red0 (0%)
Green88 (34.5%)
Blue179 (70.2%)
Hue210.5°
Saturation (HSL)100%
Lightness35.1%
Dominant channelBlue
Hex per channelR 00 · G 58 · B B3

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Every value on this page was computed from “0058b3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.