Nerdulator> put something in

Recognised as Colour

#2575CB

  • #2575CB
  • Blue
  • Dark
  • Nearest: Cornflower blue

#2575CB is a blue with RGB values 37, 117, 203 and HSL 211°, 69%, 47%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#2575CB#2575CB
HEX#2575CB
RGBrgb(37, 117, 203)
RGB (0–1)0.1451, 0.4588, 0.7961
RGB percentages14.5%, 45.9%, 79.6%
HSLhsl(211.1, 69.2%, 47.1%)
HSV / HSBhsv(211.1, 81.8%, 79.6%)
CMYK81.8%, 42.4%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,454,987
CSS custom property--colour: #2575CB;

Brightness & contrast

Relative luminance0.17428WCAG 2.x, 0 is black and 1 is white
Perceived brightness114.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.68:1
Contrast with white4.68:1WCAG normal text: AA
Contrast with black4.49:1WCAG normal text: Fail
Greyscale equivalent#6A6A6A
Inverted#DA8A34

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4A7CCEno red cones; affects about 1% of men; ΔE 5.4 from the original
Deuteranopia#2B6DC9no green cones; the most common form, about 1% of men; ΔE 5.9 from the original
Tritanopia#008A96no blue cones; rare, and affects men and women equally; ΔE 49.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.68:1WCAG large text: AAA
Contrast with black, large text4.49:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 13.4Dodgerblue · ΔE 16.3Steel blue · ΔE 22.5Royal blue · ΔE 23.6Dark slateblue · ΔE 27.5Slate blue · ΔE 29.6
Nearest named CSS colourCornflower blue (#6495ED)ΔE 13.43, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CB7B25
Analogous#25C8CB, #2825CB
Triadic#CB2575, #75CB25
Split complementary#CB2825, #C8CB25
Tetradic#CB25C8, #CB7B25, #25CB28

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C7DDF5
Lighter +30%#9CC3ED
Lighter +20%#71A9E5
Lighter +10%#468FDD
Darker −10%#1D5CA0
Darker −20%#154375
Darker −30%#0D2A4A
Darker −40%#06121E
More saturated +25%#0774E9
Less saturated −25%#4376AD

Channel breakdown

R37
G117
B203
Red37 (14.5%)
Green117 (45.9%)
Blue203 (79.6%)
Hue211.08°
Saturation (HSL)69.17%
Lightness47.06%
Dominant channelBlue
Hex per channelR 25 · G 75 · B CB

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 “2575cb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.