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Recognised as Colour

#257AE2

  • #257AE2
  • Blue
  • Dark
  • Nearest: Dodgerblue

#257AE2 is a blue with RGB values 37, 122, 226 and HSL 213°, 77%, 52%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#257AE2#257AE2
HEX#257AE2
RGBrgb(37, 122, 226)
RGB (0–1)0.1451, 0.4784, 0.8863
RGB percentages14.5%, 47.8%, 88.6%
HSLhsl(213, 76.5%, 51.6%)
HSV / HSBhsv(213, 83.6%, 88.6%)
CMYK83.6%, 46%, 0%, 11.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,456,290
CSS custom property--colour: #257AE2;

Brightness & contrast

Relative luminance0.19803WCAG 2.x, 0 is black and 1 is white
Perceived brightness122.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.96:1
Contrast with white4.23:1WCAG normal text: Fail
Contrast with black4.96:1WCAG normal text: AA
Greyscale equivalent#6F6F6F
Inverted#DA851D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4084E6no red cones; affects about 1% of men; ΔE 5.7 from the original
Deuteranopia#0373E0no green cones; the most common form, about 1% of men; ΔE 4.4 from the original
Tritanopia#0093A3no blue cones; rare, and affects men and women equally; ΔE 57.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.23:1WCAG large text: AA
Contrast with black, large text4.96:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 9.1Royal blue · ΔE 14.9Cornflower blue · ΔE 15.1Slate blue · ΔE 24Medium purple · ΔE 25.9Medium slateblue · ΔE 28.7
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 9.08, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E28D25
Analogous#25D8E2, #2E25E2
Triadic#E2257A, #7AE225
Split complementary#E22E25, #D8E225
Tetradic#E225D9, #E28D25, #25E22E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D9E8FA
Lighter +30%#ACCCF4
Lighter +20%#7FB1EE
Lighter +10%#5295E8
Darker −10%#1962BB
Darker −20%#134A8E
Darker −30%#0D3361
Darker −40%#071B34
More saturated +25%#0877FF
Less saturated −25%#447DC3

Channel breakdown

R37
G122
B226
Red37 (14.5%)
Green122 (47.8%)
Blue226 (88.6%)
Hue213.02°
Saturation (HSL)76.52%
Lightness51.57%
Dominant channelBlue
Hex per channelR 25 · G 7A · B E2

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Every value on this page was computed from “257ae2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.