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Recognised as Colour

#358BC0

  • #358BC0
  • Blue
  • Dark
  • Nearest: Steel blue

#358BC0 is a blue with RGB values 53, 139, 192 and HSL 203°, 57%, 48%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#358BC0#358BC0
HEX#358BC0
RGBrgb(53, 139, 192)
RGB (0–1)0.2078, 0.5451, 0.7529
RGB percentages20.8%, 54.5%, 75.3%
HSLhsl(202.9, 56.7%, 48%)
HSV / HSBhsv(202.9, 72.4%, 75.3%)
CMYK72.4%, 27.6%, 0%, 24.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,509,184
CSS custom property--colour: #358BC0;

Brightness & contrast

Relative luminance0.23028WCAG 2.x, 0 is black and 1 is white
Perceived brightness128 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.61:1
Contrast with white3.75:1WCAG normal text: Fail
Contrast with black5.61:1WCAG normal text: AA
Greyscale equivalent#7D7D7D
Inverted#CA743F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#728BC2no red cones; affects about 1% of men; ΔE 14.1 from the original
Deuteranopia#5F7EBFno green cones; the most common form, about 1% of men; ΔE 15.6 from the original
Tritanopia#00989Dno blue cones; rare, and affects men and women equally; ΔE 32.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.75:1WCAG large text: AA
Contrast with black, large text5.61:1WCAG large text: AAA

Named colours

Steel blue · ΔE 5.5Deep skyblue · ΔE 21.3Cornflower blue · ΔE 23.5Light slate grey · ΔE 24.6Slate grey · ΔE 25.2Light skyblue · ΔE 25.6
Nearest named CSS colourSteel blue (#4682B4)ΔE 5.5, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C06A35
Analogous#35C0B0, #3545C0
Triadic#C0358B, #8BC035
Split complementary#C03545, #C0B035
Tetradic#B035C0, #C06A35, #45C035

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CFE5F2
Lighter +30%#A7CFE7
Lighter +20%#7FB8DC
Lighter +10%#57A2D1
Darker −10%#2A6E98
Darker −20%#1F5170
Darker −30%#143448
Darker −40%#091720
More saturated +25%#1692DF
Less saturated −25%#5484A1

Channel breakdown

R53
G139
B192
Red53 (20.8%)
Green139 (54.5%)
Blue192 (75.3%)
Hue202.88°
Saturation (HSL)56.73%
Lightness48.04%
Dominant channelBlue
Hex per channelR 35 · G 8B · B C0

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Every value on this page was computed from “358bc0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.