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Colour

#2388FF

  • #2388FF
  • Blue
  • Dark
  • Nearest: Dodgerblue

#2388FF is a blue with RGB values 35, 136, 255 and HSL 212°, 100%, 57%. It is a dark colour, so black text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#2388FF#2388FF
HEX#2388FF
RGBrgb(35, 136, 255)
RGB (0–1)0.1373, 0.5333, 1
RGB percentages13.7%, 53.3%, 100%
HSLhsl(212.5, 100%, 56.9%)
HSV / HSBhsv(212.5, 86.3%, 100%)
CMYK86.3%, 46.7%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,328,831
CSS custom property--colour: #2388FF;

Brightness & contrast

Relative luminance0.25186WCAG 2.x, 0 is black and 1 is white
Perceived brightness136.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.04:1
Contrast with white3.48:1WCAG normal text: Fail
Contrast with black6.04:1WCAG normal text: AA
Greyscale equivalent#7B7B7B
Inverted#DC7700

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4394FFno red cones; affects about 1% of men; ΔE 8.8 from the original
Deuteranopia#0081FDno green cones; the most common form, about 1% of men; ΔE 4.3 from the original
Tritanopia#00A5B7no blue cones; rare, and affects men and women equally; ΔE 64.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.48:1WCAG large text: AA
Contrast with black, large text6.04:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 6.5Royal blue · ΔE 14.7Cornflower blue · ΔE 19Slate blue · ΔE 25.7Medium slateblue · ΔE 26.5Medium purple · ΔE 27.5
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 6.54, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF9A23
Analogous#23F6FF, #2C23FF
Triadic#FF2388, #88FF23
Split complementary#FF2C23, #F6FF23
Tetradic#FF23F6, #FF9A23, #23FF2C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EFF6FF
Lighter +30%#BCDBFF
Lighter +20%#89BFFF
Lighter +10%#56A4FF
Darker −10%#006EEF
Darker −20%#0056BC
Darker −30%#003F89
Darker −40%#002756
More saturated +25%#2388FF
Less saturated −25%#3E8AE3

Channel breakdown

R35
G136
B255
Red35 (13.7%)
Green136 (53.3%)
Blue255 (100%)
Hue212.45°
Saturation (HSL)100%
Lightness56.86%
Dominant channelBlue
Hex per channelR 23 · G 88 · B FF

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Every value on this page was computed from “2388ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.