Nerdulator> put something in

Recognised as Colour

#5B99BF

  • #5B99BF
  • Blue
  • Dark
  • Nearest: Steel blue

#5B99BF is a blue with RGB values 91, 153, 191 and HSL 203°, 44%, 55%. It is a dark colour, so black text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#5B99BF#5B99BF
HEX#5B99BF
RGBrgb(91, 153, 191)
RGB (0–1)0.3569, 0.6, 0.749
RGB percentages35.7%, 60%, 74.9%
HSLhsl(202.8, 43.9%, 55.3%)
HSV / HSBhsv(202.8, 52.4%, 74.9%)
CMYK52.4%, 19.9%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,003,135
CSS custom property--colour: #5B99BF;

Brightness & contrast

Relative luminance0.28768WCAG 2.x, 0 is black and 1 is white
Perceived brightness142.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.75:1
Contrast with white3.11:1WCAG normal text: Fail
Contrast with black6.75:1WCAG normal text: AA
Greyscale equivalent#8F8F8F
Inverted#A46640

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8898C1no red cones; affects about 1% of men; ΔE 13.6 from the original
Deuteranopia#7A8DBEno green cones; the most common form, about 1% of men; ΔE 14.7 from the original
Tritanopia#1FA3A6no blue cones; rare, and affects men and women equally; ΔE 26.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.11:1WCAG large text: AA
Contrast with black, large text6.75:1WCAG large text: AAA

Named colours

Steel blue · ΔE 11.5Light slate grey · ΔE 16.9Slate grey · ΔE 18.5Light skyblue · ΔE 19.4Sky blue · ΔE 20Cadetblue · ΔE 21.1
Nearest named CSS colourSteel blue (#4682B4)ΔE 11.55, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BF815B
Analogous#5BBFB3, #5B67BF
Triadic#BF5B99, #99BF5B
Split complementary#BF5B67, #BFB35B
Tetradic#B35BBF, #BF815B, #67BF5B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EEF4F8
Lighter +30%#C9DDEA
Lighter +20%#A4C7DC
Lighter +10%#80B0CD
Darker −10%#4180A6
Darker −20%#336381
Darker −30%#24475D
Darker −40%#162B38
More saturated +25%#3FA0DC
Less saturated −25%#7892A3

Channel breakdown

R91
G153
B191
Red91 (35.7%)
Green153 (60%)
Blue191 (74.9%)
Hue202.8°
Saturation (HSL)43.86%
Lightness55.29%
Dominant channelBlue
Hex per channelR 5B · G 99 · B BF

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 “5b99bf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.