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Recognised as Colour

#191FEA

  • #191FEA
  • Blue
  • Dark
  • Nearest: Medium blue

#191FEA is a blue with RGB values 25, 31, 234 and HSL 238°, 83%, 51%. It is a dark colour, so white text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#191FEA#191FEA
HEX#191FEA
RGBrgb(25, 31, 234)
RGB (0–1)0.098, 0.1216, 0.9176
RGB percentages9.8%, 12.2%, 91.8%
HSLhsl(238.3, 83.3%, 50.8%)
HSV / HSBhsv(238.3, 89.3%, 91.8%)
CMYK89.3%, 86.8%, 0%, 8.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,646,570
CSS custom property--colour: #191FEA;

Brightness & contrast

Relative luminance0.07127WCAG 2.x, 0 is black and 1 is white
Perceived brightness83.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.66:1
Contrast with white8.66:1WCAG normal text: AAA
Contrast with black2.43:1WCAG normal text: Fail
Greyscale equivalent#2C2C2C
Inverted#E6E015

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0056EFno red cones; affects about 1% of men; ΔE 33.2 from the original
Deuteranopia#0040E7no green cones; the most common form, about 1% of men; ΔE 20.4 from the original
Tritanopia#00668Bno blue cones; rare, and affects men and women equally; ΔE 104.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.66:1WCAG large text: AAA
Contrast with black, large text2.43:1WCAG large text: Fail

Named colours

Medium blue · ΔE 8.6Blue · ΔE 16.6Blue violet · ΔE 23.9Dark violet · ΔE 28.5Dark blue · ΔE 36.7Dark orchid · ΔE 38
Nearest named CSS colourMedium blue (#0000CD)ΔE 8.6, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EAE419
Analogous#1988EA, #7B19EA
Triadic#EA191F, #1FEA19
Split complementary#EA7C19, #87EA19
Tetradic#EA1988, #EAE419, #19EA7C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D4D5FB
Lighter +30%#A5A8F7
Lighter +20%#767AF3
Lighter +10%#484DEE
Darker −10%#1116BF
Darker −20%#0D1190
Darker −30%#090B61
Darker −40%#050632
More saturated +25%#040BFF
Less saturated −25%#383DCB

Channel breakdown

R25
G31
B234
Red25 (9.8%)
Green31 (12.2%)
Blue234 (91.8%)
Hue238.28°
Saturation (HSL)83.27%
Lightness50.78%
Dominant channelBlue
Hex per channelR 19 · G 1F · B EA

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Every value on this page was computed from “191fea” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.