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Colour

#4558D3

  • #4558D3
  • Blue
  • Dark
  • Nearest: Royal blue

#4558D3 is a blue with RGB values 69, 88, 211 and HSL 232°, 62%, 55%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#4558D3#4558D3
HEX#4558D3
RGBrgb(69, 88, 211)
RGB (0–1)0.2706, 0.3451, 0.8275
RGB percentages27.1%, 34.5%, 82.7%
HSLhsl(232, 61.7%, 54.9%)
HSV / HSBhsv(232, 67.3%, 82.7%)
CMYK67.3%, 58.3%, 0%, 17.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,544,723
CSS custom property--colour: #4558D3;

Brightness & contrast

Relative luminance0.12948WCAG 2.x, 0 is black and 1 is white
Perceived brightness105.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.85:1
Contrast with white5.85:1WCAG normal text: AA
Contrast with black3.59:1WCAG normal text: Fail
Greyscale equivalent#5D5D5D
Inverted#BAA72C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#006BD7no red cones; affects about 1% of men; ΔE 16.9 from the original
Deuteranopia#005FD1no green cones; the most common form, about 1% of men; ΔE 10.8 from the original
Tritanopia#00768Dno blue cones; rare, and affects men and women equally; ΔE 68.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.85:1WCAG large text: AAA
Contrast with black, large text3.59:1WCAG large text: AA

Named colours

Royal blue · ΔE 8.2Slate blue · ΔE 9Medium slateblue · ΔE 12.7Medium purple · ΔE 20.3Rebecca purple · ΔE 23.3Dark slateblue · ΔE 27.2
Nearest named CSS colourRoyal blue (#4169E1)ΔE 8.16, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D3C045
Analogous#459FD3, #7945D3
Triadic#D34558, #58D345
Split complementary#D37945, #9FD345
Tetradic#D3459F, #D3C045, #45D379

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EAECFA
Lighter +30%#C1C7F0
Lighter +20%#97A2E7
Lighter +10%#6E7DDD
Darker −10%#2C3FB9
Darker −20%#223190
Darker −30%#182367
Darker −40%#0F153D
More saturated +25%#2843F0
Less saturated −25%#626DB6

Channel breakdown

R69
G88
B211
Red69 (27.1%)
Green88 (34.5%)
Blue211 (82.7%)
Hue231.97°
Saturation (HSL)61.74%
Lightness54.9%
Dominant channelBlue
Hex per channelR 45 · G 58 · B D3

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Every value on this page was computed from “4558d3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.