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Recognised as Colour

#4057C2

  • #4057C2
  • Blue
  • Dark
  • Nearest: Royal blue

#4057C2 is a blue with RGB values 64, 87, 194 and HSL 229°, 52%, 51%. It is a dark colour, so white text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#4057C2#4057C2
HEX#4057C2
RGBrgb(64, 87, 194)
RGB (0–1)0.251, 0.3412, 0.7608
RGB percentages25.1%, 34.1%, 76.1%
HSLhsl(229.4, 51.6%, 50.6%)
HSV / HSBhsv(229.4, 67%, 76.1%)
CMYK67%, 55.2%, 0%, 23.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,216,770
CSS custom property--colour: #4057C2;

Brightness & contrast

Relative luminance0.11801WCAG 2.x, 0 is black and 1 is white
Perceived brightness99.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.25:1
Contrast with white6.25:1WCAG normal text: AA
Contrast with black3.36:1WCAG normal text: Fail
Greyscale equivalent#5A5A5A
Inverted#BFA83D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0067C6no red cones; affects about 1% of men; ΔE 14.8 from the original
Deuteranopia#005BC0no green cones; the most common form, about 1% of men; ΔE 8.9 from the original
Tritanopia#007184no blue cones; rare, and affects men and women equally; ΔE 61.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.25:1WCAG large text: AAA
Contrast with black, large text3.36:1WCAG large text: AA

Named colours

Royal blue · ΔE 9.5Slate blue · ΔE 10.6Dark slateblue · ΔE 19.5Medium purple · ΔE 19.5Medium slateblue · ΔE 19.6Rebecca purple · ΔE 21.6
Nearest named CSS colourRoyal blue (#4169E1)ΔE 9.53, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C2AB40
Analogous#4098C2, #6A40C2
Triadic#C24057, #57C240
Split complementary#C26A40, #98C240
Tetradic#C24098, #C2AB40, #40C26A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DBDFF3
Lighter +30%#B4BDE7
Lighter +20%#8D9BDB
Lighter +10%#6779CE
Darker −10%#32459D
Darker −20%#263476
Darker −30%#192350
Darker −40%#0D1229
More saturated +25%#2143E2
Less saturated −25%#606BA3

Channel breakdown

R64
G87
B194
Red64 (25.1%)
Green87 (34.1%)
Blue194 (76.1%)
Hue229.38°
Saturation (HSL)51.59%
Lightness50.59%
Dominant channelBlue
Hex per channelR 40 · G 57 · B C2

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Every value on this page was computed from “4057c2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.