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Recognised as Colour

#599FD3

  • #599FD3
  • Blue
  • Dark
  • Nearest: Steel blue

#599FD3 is a blue with RGB values 89, 159, 211 and HSL 206°, 58%, 59%. It is a dark colour, so black text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#599FD3#599FD3
HEX#599FD3
RGBrgb(89, 159, 211)
RGB (0–1)0.349, 0.6235, 0.8275
RGB percentages34.9%, 62.4%, 82.7%
HSLhsl(205.6, 58.1%, 58.8%)
HSV / HSBhsv(205.6, 57.8%, 82.7%)
CMYK57.8%, 24.6%, 0%, 17.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,873,619
CSS custom property--colour: #599FD3;

Brightness & contrast

Relative luminance0.31623WCAG 2.x, 0 is black and 1 is white
Perceived brightness149.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.32:1
Contrast with white2.87:1WCAG normal text: Fail
Contrast with black7.32:1WCAG normal text: AAA
Greyscale equivalent#949494
Inverted#A6602C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#889FD5no red cones; affects about 1% of men; ΔE 12.6 from the original
Deuteranopia#7893D2no green cones; the most common form, about 1% of men; ΔE 14 from the original
Tritanopia#00ACB1no blue cones; rare, and affects men and women equally; ΔE 34 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.87:1WCAG large text: Fail
Contrast with black, large text7.32:1WCAG large text: AAA

Named colours

Steel blue · ΔE 11Deep skyblue · ΔE 17.1Light skyblue · ΔE 17.8Sky blue · ΔE 21.6Cornflower blue · ΔE 22.9Light slate grey · ΔE 23.7
Nearest named CSS colourSteel blue (#4682B4)ΔE 10.97, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D38D59
Analogous#59D3CA, #5962D3
Triadic#D3599F, #9FD359
Split complementary#D35962, #D3CA59
Tetradic#CA59D3, #D38D59, #62D359

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FAFCFE
Lighter +30%#D2E5F3
Lighter +20%#AACEE8
Lighter +10%#81B6DE
Darker −10%#3487C5
Darker −20%#296B9D
Darker −30%#1F5074
Darker −40%#14344C
More saturated +25%#3FA3ED
Less saturated −25%#739BB9

Channel breakdown

R89
G159
B211
Red89 (34.9%)
Green159 (62.4%)
Blue211 (82.7%)
Hue205.57°
Saturation (HSL)58.1%
Lightness58.82%
Dominant channelBlue
Hex per channelR 59 · G 9F · B D3

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Every value on this page was computed from “599fd3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.