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Colour

#58637D

  • #58637D
  • Blue
  • Dark
  • Nearest: Slate grey

#58637D is a blue with RGB values 88, 99, 125 and HSL 222°, 17%, 42%. It is a dark colour, so white text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Colour values

#58637D#58637D
HEX#58637D
RGBrgb(88, 99, 125)
RGB (0–1)0.3451, 0.3882, 0.4902
RGB percentages34.5%, 38.8%, 49%
HSLhsl(222.2, 17.4%, 41.8%)
HSV / HSBhsv(222.2, 29.6%, 49%)
CMYK29.6%, 20.8%, 0%, 51%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,792,637
CSS custom property--colour: #58637D;

Brightness & contrast

Relative luminance0.12479WCAG 2.x, 0 is black and 1 is white
Perceived brightness99.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.01:1
Contrast with white6.01:1WCAG normal text: AA
Contrast with black3.5:1WCAG normal text: Fail
Greyscale equivalent#636363
Inverted#A79C82

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5B657Eno red cones; affects about 1% of men; ΔE 1.1 from the original
Deuteranopia#58627Cno green cones; the most common form, about 1% of men; ΔE 0.5 from the original
Tritanopia#4E686Cno blue cones; rare, and affects men and women equally; ΔE 15.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.01:1WCAG large text: AAA
Contrast with black, large text3.5:1WCAG large text: AA

Named colours

Slate grey · ΔE 12.9Light slate grey · ΔE 15.4Dim grey · ΔE 16.3Gray · ΔE 19.8Steel blue · ΔE 20.4Dark slate grey · ΔE 21.4
Nearest named CSS colourSlate grey (#708090)ΔE 12.89, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7D7258
Analogous#58757D, #60587D
Triadic#7D5863, #637D58
Split complementary#7D6058, #757D58
Tetradic#7D5875, #7D7258, #587D60

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C8CDD9
Lighter +30%#AAB2C4
Lighter +20%#8D97AE
Lighter +10%#6F7B99
Darker −10%#434B5F
Darker −20%#2E3441
Darker −30%#191C23
Darker −40%#040405
More saturated +25%#3D5898
Less saturated −25%#6A6A6A

Channel breakdown

R88
G99
B125
Red88 (34.5%)
Green99 (38.8%)
Blue125 (49%)
Hue222.16°
Saturation (HSL)17.37%
Lightness41.76%
Dominant channelBlue
Hex per channelR 58 · G 63 · B 7D

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Every value on this page was computed from “58637d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.