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Colour

#0358B1

  • #0358B1
  • Blue
  • Dark
  • Nearest: Dark slateblue

#0358B1 is a blue with RGB values 3, 88, 177 and HSL 211°, 97%, 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

#0358B1#0358B1
HEX#0358B1
RGBrgb(3, 88, 177)
RGB (0–1)0.0118, 0.3451, 0.6941
RGB percentages1.2%, 34.5%, 69.4%
HSLhsl(210.7, 96.7%, 35.3%)
HSV / HSBhsv(210.7, 98.3%, 69.4%)
CMYK98.3%, 50.3%, 0%, 30.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer219,313
CSS custom property--colour: #0358B1;

Brightness & contrast

Relative luminance0.10173WCAG 2.x, 0 is black and 1 is white
Perceived brightness90.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.92:1
Contrast with white6.92:1WCAG normal text: AA
Contrast with black3.03:1WCAG normal text: Fail
Greyscale equivalent#4C4C4C
Inverted#FCA74E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1E61B4no red cones; affects about 1% of men; ΔE 5.7 from the original
Deuteranopia#0053AFno green cones; the most common form, about 1% of men; ΔE 3.2 from the original
Tritanopia#006E7Cno blue cones; rare, and affects men and women equally; ΔE 51.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.92:1WCAG large text: AAA
Contrast with black, large text3.03:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 18.3Royal blue · ΔE 19.9Dodgerblue · ΔE 23.8Slate blue · ΔE 24Cornflower blue · ΔE 24.5Medium purple · ΔE 28.8
Nearest named CSS colourDark slateblue (#483D8B)ΔE 18.29, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B15C03
Analogous#03AFB1, #0503B1
Triadic#B10358, #58B103
Split complementary#B10503, #AFB103
Tetradic#B103AF, #B15C03, #03B105

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#83BFFD
Lighter +30%#51A5FC
Lighter +20%#1F8AFB
Lighter +10%#0471E3
Darker −10%#023F7F
Darker −20%#01264D
Darker −30%#000D1B
Darker −40%#000000
More saturated +25%#0058B4
Less saturated −25%#19599B

Channel breakdown

R3
G88
B177
Red3 (1.2%)
Green88 (34.5%)
Blue177 (69.4%)
Hue210.69°
Saturation (HSL)96.67%
Lightness35.29%
Dominant channelBlue
Hex per channelR 03 · G 58 · B B1

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Every value on this page was computed from “0358b1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.