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Recognised as Colour

#3157C0

  • #3157C0
  • Blue
  • Dark
  • Nearest: Royal blue

#3157C0 is a blue with RGB values 49, 87, 192 and HSL 224°, 59%, 47%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#3157C0#3157C0
HEX#3157C0
RGBrgb(49, 87, 192)
RGB (0–1)0.1922, 0.3412, 0.7529
RGB percentages19.2%, 34.1%, 75.3%
HSLhsl(224.1, 59.3%, 47.3%)
HSV / HSBhsv(224.1, 74.5%, 75.3%)
CMYK74.5%, 54.7%, 0%, 24.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,233,728
CSS custom property--colour: #3157C0;

Brightness & contrast

Relative luminance0.11275WCAG 2.x, 0 is black and 1 is white
Perceived brightness96.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.45:1
Contrast with white6.45:1WCAG normal text: AA
Contrast with black3.26:1WCAG normal text: Fail
Greyscale equivalent#575757
Inverted#CEA83F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0065C4no red cones; affects about 1% of men; ΔE 11.8 from the original
Deuteranopia#0058BEno green cones; the most common form, about 1% of men; ΔE 5 from the original
Tritanopia#007183no blue cones; rare, and affects men and women equally; ΔE 60.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.45:1WCAG large text: AAA
Contrast with black, large text3.26:1WCAG large text: AA

Named colours

Royal blue · ΔE 10.3Slate blue · ΔE 13.5Dark slateblue · ΔE 19.4Medium purple · ΔE 21.8Medium slateblue · ΔE 22.1Rebecca purple · ΔE 23.7
Nearest named CSS colourRoyal blue (#4169E1)ΔE 10.33, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C09A31
Analogous#319EC0, #5331C0
Triadic#C03157, #57C031
Split complementary#C05231, #9FC031
Tetradic#C0319E, #C09A31, #31C052

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CBD5F2
Lighter +30%#A3B5E7
Lighter +20%#7A94DD
Lighter +10%#5174D3
Darker −10%#274597
Darker −20%#1C326F
Darker −30%#122046
Darker −40%#080D1D
More saturated +25%#1349DE
Less saturated −25%#4F65A2

Channel breakdown

R49
G87
B192
Red49 (19.2%)
Green87 (34.1%)
Blue192 (75.3%)
Hue224.06°
Saturation (HSL)59.34%
Lightness47.25%
Dominant channelBlue
Hex per channelR 31 · G 57 · B C0

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Every value on this page was computed from “3157c0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.