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Recognised as Colour

#151FCA

  • #151FCA
  • Blue
  • Dark
  • Nearest: Medium blue

#151FCA is a blue with RGB values 21, 31, 202 and HSL 237°, 81%, 44%. It is a dark colour, so white text on it reaches 10.1:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#151FCA#151FCA
HEX#151FCA
RGBrgb(21, 31, 202)
RGB (0–1)0.0824, 0.1216, 0.7922
RGB percentages8.2%, 12.2%, 79.2%
HSLhsl(236.7, 81.2%, 43.7%)
HSV / HSBhsv(236.7, 89.6%, 79.2%)
CMYK89.6%, 84.7%, 0%, 20.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,384,394
CSS custom property--colour: #151FCA;

Brightness & contrast

Relative luminance0.05404WCAG 2.x, 0 is black and 1 is white
Perceived brightness73.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.09:1
Contrast with white10.09:1WCAG normal text: AAA
Contrast with black2.08:1WCAG normal text: Fail
Greyscale equivalent#292929
Inverted#EAE035

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004BCFno red cones; affects about 1% of men; ΔE 28.2 from the original
Deuteranopia#0038C7no green cones; the most common form, about 1% of men; ΔE 17.2 from the original
Tritanopia#005978no blue cones; rare, and affects men and women equally; ΔE 92.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.09:1WCAG large text: AAA
Contrast with black, large text2.08:1WCAG large text: Fail

Named colours

Medium blue · ΔE 11.7Blue violet · ΔE 21.2Dark blue · ΔE 22.2Dark violet · ΔE 26.2Navy · ΔE 27.2Dark orchid · ΔE 30.2
Nearest named CSS colourMedium blue (#0000CD)ΔE 11.67, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CAC015
Analogous#1579CA, #6615CA
Triadic#CA151F, #1FCA15
Split complementary#CA6615, #79CA15
Tetradic#CA1579, #CAC015, #15CA66

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B4B8F7
Lighter +30%#868CF2
Lighter +20%#5760EE
Lighter +10%#2934E9
Darker −10%#10189C
Darker −20%#0B116E
Darker −30%#070A3F
Darker −40%#020311
More saturated +25%#000CDF
Less saturated −25%#3138AE

Channel breakdown

R21
G31
B202
Red21 (8.2%)
Green31 (12.2%)
Blue202 (79.2%)
Hue236.69°
Saturation (HSL)81.17%
Lightness43.73%
Dominant channelBlue
Hex per channelR 15 · G 1F · B CA

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Every value on this page was computed from “151fca” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.