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Colour

#3A445C

  • #3A445C
  • Blue
  • Dark
  • Nearest: Dark slate grey

#3A445C is a blue with RGB values 58, 68, 92 and HSL 222°, 23%, 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

#3A445C#3A445C
HEX#3A445C
RGBrgb(58, 68, 92)
RGB (0–1)0.2275, 0.2667, 0.3608
RGB percentages22.7%, 26.7%, 36.1%
HSLhsl(222.4, 22.7%, 29.4%)
HSV / HSBhsv(222.4, 37%, 36.1%)
CMYK37%, 26.1%, 0%, 63.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,818,588
CSS custom property--colour: #3A445C;

Brightness & contrast

Relative luminance0.05806WCAG 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#C5BBA3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3C465Dno red cones; affects about 1% of men; ΔE 1.1 from the original
Deuteranopia#39435Bno green cones; the most common form, about 1% of men; ΔE 0.4 from the original
Tritanopia#30494Cno blue cones; rare, and affects men and women equally; ΔE 15.5 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 18.7Dim grey · ΔE 22.1Slate grey · ΔE 24.9Light slate grey · ΔE 27.8Gray · ΔE 29.3Steel blue · ΔE 29.6
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 18.7, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5C523A
Analogous#3A555C, #413A5C
Triadic#5C3A44, #445C3A
Split complementary#5C413A, #555C3A
Tetradic#5C3A55, #5C523A, #3A5C41

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9FAAC3
Lighter +30%#808EAF
Lighter +20%#61729B
Lighter +10%#4E5B7B
Darker −10%#262D3D
Darker −20%#13161D
Darker −30%#000000
Darker −40%#000000
More saturated +25%#273C6F
Less saturated −25%#4B4B4B

Channel breakdown

R58
G68
B92
Red58 (22.7%)
Green68 (26.7%)
Blue92 (36.1%)
Hue222.35°
Saturation (HSL)22.67%
Lightness29.41%
Dominant channelBlue
Hex per channelR 3A · G 44 · B 5C

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Every value on this page was computed from “3a445c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.