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Recognised as Colour

#2258BA

  • #2258BA
  • Blue
  • Dark
  • Nearest: Royal blue

#2258BA is a blue with RGB values 34, 88, 186 and HSL 219°, 69%, 43%. It is a dark colour, so white text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#2258BA#2258BA
HEX#2258BA
RGBrgb(34, 88, 186)
RGB (0–1)0.1333, 0.3451, 0.7294
RGB percentages13.3%, 34.5%, 72.9%
HSLhsl(218.7, 69.1%, 43.1%)
HSV / HSBhsv(218.7, 81.7%, 72.9%)
CMYK81.7%, 52.7%, 0%, 27.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,250,938
CSS custom property--colour: #2258BA;

Brightness & contrast

Relative luminance0.10865WCAG 2.x, 0 is black and 1 is white
Perceived brightness94 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.62:1
Contrast with white6.62:1WCAG normal text: AA
Contrast with black3.17:1WCAG normal text: Fail
Greyscale equivalent#545454
Inverted#DDA745

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0E64BDno red cones; affects about 1% of men; ΔE 9.3 from the original
Deuteranopia#0056B8no green cones; the most common form, about 1% of men; ΔE 2.1 from the original
Tritanopia#007080no blue cones; rare, and affects men and women equally; ΔE 56.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.62:1WCAG large text: AAA
Contrast with black, large text3.17:1WCAG large text: AA

Named colours

Royal blue · ΔE 14.1Slate blue · ΔE 18Dark slateblue · ΔE 18.2Dodgerblue · ΔE 23Medium purple · ΔE 24.5Cornflower blue · ΔE 25.7
Nearest named CSS colourRoyal blue (#4169E1)ΔE 14.06, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BA8422
Analogous#22A4BA, #3822BA
Triadic#BA2258, #58BA22
Split complementary#BA3822, #A4BA22
Tetradic#BA22A4, #BA8422, #22BA38

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B6CBF2
Lighter +30%#8BADEA
Lighter +20%#608EE2
Lighter +10%#3570DA
Darker −10%#1A448F
Darker −20%#122F64
Darker −30%#0A1B39
Darker −40%#02060E
More saturated +25%#0750D5
Less saturated −25%#3D609F

Channel breakdown

R34
G88
B186
Red34 (13.3%)
Green88 (34.5%)
Blue186 (72.9%)
Hue218.68°
Saturation (HSL)69.09%
Lightness43.14%
Dominant channelBlue
Hex per channelR 22 · G 58 · B BA

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Every value on this page was computed from “2258ba” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.