Nerdulator> put something in

Recognised as Colour

#2580FC

  • #2580FC
  • Blue
  • Dark
  • Nearest: Royal blue

#2580FC is a blue with RGB values 37, 128, 252 and HSL 215°, 97%, 57%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#2580FC#2580FC
HEX#2580FC
RGBrgb(37, 128, 252)
RGB (0–1)0.1451, 0.502, 0.9882
RGB percentages14.5%, 50.2%, 98.8%
HSLhsl(214.6, 97.3%, 56.7%)
HSV / HSBhsv(214.6, 85.3%, 98.8%)
CMYK85.3%, 49.2%, 0%, 1.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,457,852
CSS custom property--colour: #2580FC;

Brightness & contrast

Relative luminance0.2286WCAG 2.x, 0 is black and 1 is white
Perceived brightness131.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.57:1
Contrast with white3.77:1WCAG normal text: Fail
Contrast with black5.57:1WCAG normal text: AA
Greyscale equivalent#767676
Inverted#DA7F03

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#318EFFno red cones; affects about 1% of men; ΔE 9.4 from the original
Deuteranopia#007BFAno green cones; the most common form, about 1% of men; ΔE 2.9 from the original
Tritanopia#009EB2no blue cones; rare, and affects men and women equally; ΔE 67.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.77:1WCAG large text: AA
Contrast with black, large text5.57:1WCAG large text: AAA

Named colours

Royal blue · ΔE 10.7Dodgerblue · ΔE 11.5Slate blue · ΔE 22.5Medium slateblue · ΔE 22.5Cornflower blue · ΔE 23Medium purple · ΔE 25.9
Nearest named CSS colourRoyal blue (#4169E1)ΔE 10.75, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FCA125
Analogous#25ECFC, #3525FC
Triadic#FC2580, #80FC25
Split complementary#FC3525, #ECFC25
Tetradic#FC25EC, #FCA125, #25FC35

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EEF5FF
Lighter +30%#BCD8FE
Lighter +20%#8ABBFD
Lighter +10%#579DFD
Darker −10%#0365EB
Darker −20%#0350B8
Darker −30%#023A86
Darker −40%#012454
More saturated +25%#2280FF
Less saturated −25%#4184E0

Channel breakdown

R37
G128
B252
Red37 (14.5%)
Green128 (50.2%)
Blue252 (98.8%)
Hue214.6°
Saturation (HSL)97.29%
Lightness56.67%
Dominant channelBlue
Hex per channelR 25 · G 80 · B FC

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 “2580fc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.