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Recognised as Colour

#488FEF

  • #488FEF
  • Blue
  • Dark
  • Nearest: Cornflower blue

#488FEF is a blue with RGB values 72, 143, 239 and HSL 214°, 84%, 61%. It is a dark colour, so black text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#488FEF#488FEF
HEX#488FEF
RGBrgb(72, 143, 239)
RGB (0–1)0.2824, 0.5608, 0.9373
RGB percentages28.2%, 56.1%, 93.7%
HSLhsl(214.5, 83.9%, 61%)
HSV / HSBhsv(214.5, 69.9%, 93.7%)
CMYK69.9%, 40.2%, 0%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,755,439
CSS custom property--colour: #488FEF;

Brightness & contrast

Relative luminance0.27255WCAG 2.x, 0 is black and 1 is white
Perceived brightness141.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.45:1
Contrast with white3.26:1WCAG normal text: Fail
Contrast with black6.45:1WCAG normal text: AA
Greyscale equivalent#878787
Inverted#B77010

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6297F3no red cones; affects about 1% of men; ΔE 4.9 from the original
Deuteranopia#4787EDno green cones; the most common form, about 1% of men; ΔE 5.3 from the original
Tritanopia#00A5B3no blue cones; rare, and affects men and women equally; ΔE 54.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.26:1WCAG large text: AA
Contrast with black, large text6.45:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 6.2Dodgerblue · ΔE 8.7Royal blue · ΔE 23.3Steel blue · ΔE 26.9Medium purple · ΔE 28.7Slate blue · ΔE 30.7
Nearest named CSS colourCornflower blue (#6495ED)ΔE 6.16, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EFA848
Analogous#48E3EF, #5448EF
Triadic#EF488F, #8FEF48
Split complementary#EF5448, #E3EF48
Tetradic#EF48E3, #EFA848, #48EF54

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D5E5FB
Lighter +20%#A6C8F7
Lighter +10%#77ACF3
Darker −10%#1972EB
Darker −20%#115BC0
Darker −30%#0D4591
Darker −40%#092F62
More saturated +25%#388DFF
Less saturated −25%#6193D6

Channel breakdown

R72
G143
B239
Red72 (28.2%)
Green143 (56.1%)
Blue239 (93.7%)
Hue214.49°
Saturation (HSL)83.92%
Lightness60.98%
Dominant channelBlue
Hex per channelR 48 · G 8F · B EF

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Every value on this page was computed from “488fef” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.