Nerdulator> put something in

Recognised as Colour

#475B8F

  • #475B8F
  • Blue
  • Dark
  • Nearest: Steel blue

#475B8F is a blue with RGB values 71, 91, 143 and HSL 223°, 34%, 42%. It is a dark colour, so white text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#475B8F#475B8F
HEX#475B8F
RGBrgb(71, 91, 143)
RGB (0–1)0.2784, 0.3569, 0.5608
RGB percentages27.8%, 35.7%, 56.1%
HSLhsl(223.3, 33.6%, 42%)
HSV / HSBhsv(223.3, 50.3%, 56.1%)
CMYK50.3%, 36.4%, 0%, 43.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,676,495
CSS custom property--colour: #475B8F;

Brightness & contrast

Relative luminance0.10805WCAG 2.x, 0 is black and 1 is white
Perceived brightness93.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.64:1
Contrast with white6.64:1WCAG normal text: AA
Contrast with black3.16:1WCAG normal text: Fail
Greyscale equivalent#5B5B5B
Inverted#B8A470

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#476091no red cones; affects about 1% of men; ΔE 3.2 from the original
Deuteranopia#40598Eno green cones; the most common form, about 1% of men; ΔE 1.7 from the original
Tritanopia#29666Eno blue cones; rare, and affects men and women equally; ΔE 32.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.64:1WCAG large text: AAA
Contrast with black, large text3.16:1WCAG large text: AA

Named colours

Steel blue · ΔE 17.7Dark slateblue · ΔE 23Slate grey · ΔE 26.5Light slate grey · ΔE 27.9Cornflower blue · ΔE 29.1Dim grey · ΔE 32.5
Nearest named CSS colourSteel blue (#4682B4)ΔE 17.73, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8F7B47
Analogous#477F8F, #57478F
Triadic#8F475B, #5B8F47
Split complementary#8F5747, #7F8F47
Tetradic#8F477F, #8F7B47, #478F57

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C2CAE0
Lighter +30%#9FADD0
Lighter +20%#7D8FBF
Lighter +10%#5B72AE
Darker −10%#36456D
Darker −20%#25304B
Darker −30%#141A29
Darker −40%#030407
More saturated +25%#2C4FAA
Less saturated −25%#626774

Channel breakdown

R71
G91
B143
Red71 (27.8%)
Green91 (35.7%)
Blue143 (56.1%)
Hue223.33°
Saturation (HSL)33.64%
Lightness41.96%
Dominant channelBlue
Hex per channelR 47 · G 5B · B 8F

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 “475b8f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.