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Colour

#3F9ACA

  • #3F9ACA
  • Blue
  • Dark
  • Nearest: Steel blue

#3F9ACA is a blue with RGB values 63, 154, 202 and HSL 201°, 57%, 52%. It is a dark colour, so black text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#3F9ACA#3F9ACA
HEX#3F9ACA
RGBrgb(63, 154, 202)
RGB (0–1)0.2471, 0.6039, 0.7922
RGB percentages24.7%, 60.4%, 79.2%
HSLhsl(200.7, 56.7%, 52%)
HSV / HSBhsv(200.7, 68.8%, 79.2%)
CMYK68.8%, 23.8%, 0%, 20.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,168,394
CSS custom property--colour: #3F9ACA;

Brightness & contrast

Relative luminance0.28432WCAG 2.x, 0 is black and 1 is white
Perceived brightness140.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.69:1
Contrast with white3.14:1WCAG normal text: Fail
Contrast with black6.69:1WCAG normal text: AA
Greyscale equivalent#8A8A8A
Inverted#C06535

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8399CCno red cones; affects about 1% of men; ΔE 17 from the original
Deuteranopia#708BC9no green cones; the most common form, about 1% of men; ΔE 18.7 from the original
Tritanopia#00A7AAno blue cones; rare, and affects men and women equally; ΔE 30.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.14:1WCAG large text: AA
Contrast with black, large text6.69:1WCAG large text: AAA

Named colours

Steel blue · ΔE 10.8Deep skyblue · ΔE 17Light skyblue · ΔE 19.9Sky blue · ΔE 22.3Light slate grey · ΔE 23.8Slate grey · ΔE 25
Nearest named CSS colourSteel blue (#4682B4)ΔE 10.85, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CA6F3F
Analogous#3FCAB5, #3F54CA
Triadic#CA3F9A, #9ACA3F
Split complementary#CA3F54, #CAB53F
Tetradic#B53FCA, #CA6F3F, #54CA3F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DFEEF6
Lighter +30%#B7D9EB
Lighter +20%#8FC4E0
Lighter +10%#67AFD5
Darker −10%#2E7EA8
Darker −20%#236080
Darker −30%#184258
Darker −40%#0D2430
More saturated +25%#20A3E9
Less saturated −25%#5E91AB

Channel breakdown

R63
G154
B202
Red63 (24.7%)
Green154 (60.4%)
Blue202 (79.2%)
Hue200.72°
Saturation (HSL)56.73%
Lightness51.96%
Dominant channelBlue
Hex per channelR 3F · G 9A · B CA

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Every value on this page was computed from “3f9aca” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.