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Recognised as Colour

#4259EA

  • #4259EA
  • Blue
  • Dark
  • Nearest: Medium slateblue

#4259EA is a blue with RGB values 66, 89, 234 and HSL 232°, 80%, 59%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#4259EA#4259EA
HEX#4259EA
RGBrgb(66, 89, 234)
RGB (0–1)0.2588, 0.349, 0.9176
RGB percentages25.9%, 34.9%, 91.8%
HSLhsl(231.8, 80%, 58.8%)
HSV / HSBhsv(231.8, 71.8%, 91.8%)
CMYK71.8%, 62%, 0%, 8.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,348,394
CSS custom property--colour: #4259EA;

Brightness & contrast

Relative luminance0.14244WCAG 2.x, 0 is black and 1 is white
Perceived brightness110.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.46:1
Contrast with white5.46:1WCAG normal text: AA
Contrast with black3.85:1WCAG normal text: Fail
Greyscale equivalent#5F5F5F
Inverted#BDA615

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0071EFno red cones; affects about 1% of men; ΔE 18.9 from the original
Deuteranopia#0062E7no green cones; the most common form, about 1% of men; ΔE 11.2 from the original
Tritanopia#007E99no blue cones; rare, and affects men and women equally; ΔE 79.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.46:1WCAG large text: AAA
Contrast with black, large text3.85:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 12.8Royal blue · ΔE 17.2Slate blue · ΔE 18.2Medium purple · ΔE 27.7Dark orchid · ΔE 30Blue violet · ΔE 30.4
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 12.83, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EAD342
Analogous#42ADEA, #7F42EA
Triadic#EA4259, #59EA42
Split complementary#EA7F42, #ADEA42
Tetradic#EA42AD, #EAD342, #42EA7F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FAFAFE
Lighter +30%#CCD2F9
Lighter +20%#9EAAF4
Lighter +10%#7081EF
Darker −10%#1934E0
Darker −20%#1429B2
Darker −30%#0F1F84
Darker −40%#0A1456
More saturated +25%#2D4AFF
Less saturated −25%#5C6CD0

Channel breakdown

R66
G89
B234
Red66 (25.9%)
Green89 (34.9%)
Blue234 (91.8%)
Hue231.79°
Saturation (HSL)80%
Lightness58.82%
Dominant channelBlue
Hex per channelR 42 · G 59 · B EA

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Every value on this page was computed from “4259ea” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.