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Recognised as Colour

#3C4458

  • #3C4458
  • Blue
  • Dark
  • Nearest: Dark slate grey

#3C4458 is a blue with RGB values 60, 68, 88 and HSL 223°, 19%, 29%. It is a dark colour, so white text on it reaches 9.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#3C4458#3C4458
HEX#3C4458
RGBrgb(60, 68, 88)
RGB (0–1)0.2353, 0.2667, 0.3451
RGB percentages23.5%, 26.7%, 34.5%
HSLhsl(222.9, 18.9%, 29%)
HSV / HSBhsv(222.9, 31.8%, 34.5%)
CMYK31.8%, 22.7%, 0%, 65.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,949,656
CSS custom property--colour: #3C4458;

Brightness & contrast

Relative luminance0.05799WCAG 2.x, 0 is black and 1 is white
Perceived brightness68.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.72:1
Contrast with white9.72:1WCAG normal text: AAA
Contrast with black2.16:1WCAG normal text: Fail
Greyscale equivalent#444444
Inverted#C3BBA7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3E4559no red cones; affects about 1% of men; ΔE 0.6 from the original
Deuteranopia#3B4358no green cones; the most common form, about 1% of men; ΔE 0.8 from the original
Tritanopia#34484Bno blue cones; rare, and affects men and women equally; ΔE 12.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.72:1WCAG large text: AAA
Contrast with black, large text2.16:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 16.8Dim grey · ΔE 20.3Slate grey · ΔE 24.4Light slate grey · ΔE 27.4Gray · ΔE 28Steel blue · ΔE 31
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 16.78, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#58503C
Analogous#3C5258, #423C58
Triadic#583C44, #44583C
Split complementary#58423C, #52583C
Tetradic#583C52, #58503C, #3C5842

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A1AABF
Lighter +30%#838EAA
Lighter +20%#657395
Lighter +10%#515B76
Darker −10%#272D3A
Darker −20%#13151B
Darker −30%#000000
Darker −40%#000000
More saturated +25%#293C6A
Less saturated −25%#4A4A4A

Channel breakdown

R60
G68
B88
Red60 (23.5%)
Green68 (26.7%)
Blue88 (34.5%)
Hue222.86°
Saturation (HSL)18.92%
Lightness29.02%
Dominant channelBlue
Hex per channelR 3C · G 44 · B 58

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Every value on this page was computed from “3c4458” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.