Nerdulator> put something in

Colour

#3A588E

  • #3A588E
  • Blue
  • Dark
  • Nearest: Steel blue

#3A588E is a blue with RGB values 58, 88, 142 and HSL 219°, 42%, 39%. It is a dark colour, so white text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#3A588E#3A588E
HEX#3A588E
RGBrgb(58, 88, 142)
RGB (0–1)0.2275, 0.3451, 0.5569
RGB percentages22.7%, 34.5%, 55.7%
HSLhsl(218.6, 42%, 39.2%)
HSV / HSBhsv(218.6, 59.2%, 55.7%)
CMYK59.2%, 38%, 0%, 44.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,823,758
CSS custom property--colour: #3A588E;

Brightness & contrast

Relative luminance0.09832WCAG 2.x, 0 is black and 1 is white
Perceived brightness88.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.08:1
Contrast with white7.08:1WCAG normal text: AAA
Contrast with black2.97:1WCAG normal text: Fail
Greyscale equivalent#565656
Inverted#C5A771

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#425D90no red cones; affects about 1% of men; ΔE 3 from the original
Deuteranopia#37558Dno green cones; the most common form, about 1% of men; ΔE 1.9 from the original
Tritanopia#00646Cno blue cones; rare, and affects men and women equally; ΔE 35.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.08:1WCAG large text: AAA
Contrast with black, large text2.97:1WCAG large text: Fail

Named colours

Steel blue · ΔE 18.1Dark slateblue · ΔE 22.7Slate grey · ΔE 28.6Cornflower blue · ΔE 29.4Light slate grey · ΔE 30Dim grey · ΔE 34.5
Nearest named CSS colourSteel blue (#4682B4)ΔE 18.15, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8E703A
Analogous#3A828E, #463A8E
Triadic#8E3A58, #588E3A
Split complementary#8E463A, #828E3A
Tetradic#8E3A82, #8E703A, #3A8E46

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B4C4E0
Lighter +30%#90A7D1
Lighter +20%#6B8BC3
Lighter +10%#496EB2
Darker −10%#2B426A
Darker −20%#1C2B46
Darker −30%#0E1521
Darker −40%#000000
More saturated +25%#2151A7
Less saturated −25%#535F75

Channel breakdown

R58
G88
B142
Red58 (22.7%)
Green88 (34.5%)
Blue142 (55.7%)
Hue218.57°
Saturation (HSL)42%
Lightness39.22%
Dominant channelBlue
Hex per channelR 3A · G 58 · B 8E

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “3a588e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.