Nerdulator> put something in

Recognised as Colour

#2559ED

  • #2559ED
  • Blue
  • Dark
  • Nearest: Medium slateblue

#2559ED is a blue with RGB values 37, 89, 237 and HSL 224°, 85%, 54%. It is a dark colour, so white text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#2559ED#2559ED
HEX#2559ED
RGBrgb(37, 89, 237)
RGB (0–1)0.1451, 0.349, 0.9294
RGB percentages14.5%, 34.9%, 92.9%
HSLhsl(224.4, 84.7%, 53.7%)
HSV / HSBhsv(224.4, 84.4%, 92.9%)
CMYK84.4%, 62.4%, 0%, 7.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,447,853
CSS custom property--colour: #2559ED;

Brightness & contrast

Relative luminance0.13652WCAG 2.x, 0 is black and 1 is white
Perceived brightness107.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.63:1
Contrast with white5.63:1WCAG normal text: AA
Contrast with black3.73:1WCAG normal text: Fail
Greyscale equivalent#595959
Inverted#DAA612

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0071F2no red cones; affects about 1% of men; ΔE 17.5 from the original
Deuteranopia#005EEAno green cones; the most common form, about 1% of men; ΔE 6.2 from the original
Tritanopia#00809Bno blue cones; rare, and affects men and women equally; ΔE 80.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.63:1WCAG large text: AAA
Contrast with black, large text3.73:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 16.1Royal blue · ΔE 18.4Slate blue · ΔE 21.2Medium purple · ΔE 30.8Blue violet · ΔE 32.1Dark orchid · ΔE 32.9
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 16.09, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EDB925
Analogous#25BDED, #5525ED
Triadic#ED2559, #59ED25
Split complementary#ED5525, #BDED25
Tetradic#ED25BD, #EDB925, #25ED55

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E1E8FD
Lighter +30%#B2C5F9
Lighter +20%#83A1F5
Lighter +10%#547DF1
Darker −10%#1142CE
Darker −20%#0D339F
Darker −30%#092470
Darker −40%#051541
More saturated +25%#1350FF
Less saturated −25%#4267D0

Channel breakdown

R37
G89
B237
Red37 (14.5%)
Green89 (34.9%)
Blue237 (92.9%)
Hue224.4°
Saturation (HSL)84.75%
Lightness53.73%
Dominant channelBlue
Hex per channelR 25 · G 59 · B ED

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “2559ed” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.