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Recognised as Colour

#2491FA

  • #2491FA
  • Blue
  • Dark
  • Nearest: Dodgerblue

#2491FA is a blue with RGB values 36, 145, 250 and HSL 209°, 96%, 56%. It is a dark colour, so black text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#2491FA#2491FA
HEX#2491FA
RGBrgb(36, 145, 250)
RGB (0–1)0.1412, 0.5686, 0.9804
RGB percentages14.1%, 56.9%, 98%
HSLhsl(209.4, 95.5%, 56.1%)
HSV / HSBhsv(209.4, 85.6%, 98%)
CMYK85.6%, 42%, 0%, 2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,396,666
CSS custom property--colour: #2491FA;

Brightness & contrast

Relative luminance0.27528WCAG 2.x, 0 is black and 1 is white
Perceived brightness140.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.51:1
Contrast with white3.23:1WCAG normal text: Fail
Contrast with black6.51:1WCAG normal text: AA
Greyscale equivalent#818181
Inverted#DB6E05

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5B99FEno red cones; affects about 1% of men; ΔE 6.7 from the original
Deuteranopia#3287F8no green cones; the most common form, about 1% of men; ΔE 7.6 from the original
Tritanopia#00AAB9no blue cones; rare, and affects men and women equally; ΔE 57.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.23:1WCAG large text: AA
Contrast with black, large text6.51:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 3.6Cornflower blue · ΔE 11.6Royal blue · ΔE 22.3Medium purple · ΔE 31.1Steel blue · ΔE 31.5Slate blue · ΔE 31.6
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 3.57, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FA8D24
Analogous#24FAF8, #2426FA
Triadic#FA2491, #91FA24
Split complementary#FA2426, #FAF824
Tetradic#F824FA, #FA8D24, #26FA24

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EBF5FF
Lighter +30%#BADCFD
Lighter +20%#88C3FC
Lighter +10%#56AAFB
Darker −10%#0578E6
Darker −20%#045EB4
Darker −30%#034482
Darker −40%#022A50
More saturated +25%#1F91FF
Less saturated −25%#4090DE

Channel breakdown

R36
G145
B250
Red36 (14.1%)
Green145 (56.9%)
Blue250 (98%)
Hue209.44°
Saturation (HSL)95.54%
Lightness56.08%
Dominant channelBlue
Hex per channelR 24 · G 91 · B FA

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Every value on this page was computed from “2491fa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.