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Recognised as Colour

#374EDA

  • #374EDA
  • Blue
  • Dark
  • Nearest: Medium slateblue

#374EDA is a blue with RGB values 55, 78, 218 and HSL 232°, 69%, 54%. It is a dark colour, so white text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#374EDA#374EDA
HEX#374EDA
RGBrgb(55, 78, 218)
RGB (0–1)0.2157, 0.3059, 0.8549
RGB percentages21.6%, 30.6%, 85.5%
HSLhsl(231.5, 68.8%, 53.5%)
HSV / HSBhsv(231.5, 74.8%, 85.5%)
CMYK74.8%, 64.2%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,624,666
CSS custom property--colour: #374EDA;

Brightness & contrast

Relative luminance0.11323WCAG 2.x, 0 is black and 1 is white
Perceived brightness99.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.43:1
Contrast with white6.43:1WCAG normal text: AA
Contrast with black3.26:1WCAG normal text: Fail
Greyscale equivalent#535353
Inverted#C8B125

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0066DEno red cones; affects about 1% of men; ΔE 18.9 from the original
Deuteranopia#0057D7no green cones; the most common form, about 1% of men; ΔE 10.5 from the original
Tritanopia#00738Dno blue cones; rare, and affects men and women equally; ΔE 77.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.43:1WCAG large text: AAA
Contrast with black, large text3.26:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 14.8Slate blue · ΔE 17.3Royal blue · ΔE 17.6Rebecca purple · ΔE 27.9Dark blue · ΔE 28.1Medium purple · ΔE 28.2
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 14.8, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DAC337
Analogous#37A0DA, #7137DA
Triadic#DA374E, #4EDA37
Split complementary#DA7237, #9FDA37
Tetradic#DA37A0, #DAC337, #37DA71

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E3E6FA
Lighter +30%#B8C0F2
Lighter +20%#8D9AEA
Lighter +10%#6274E2
Darker −10%#2338BB
Darker −20%#1B2B90
Darker −30%#131E65
Darker −40%#0B113A
More saturated +25%#1939F8
Less saturated −25%#5563BC

Channel breakdown

R55
G78
B218
Red55 (21.6%)
Green78 (30.6%)
Blue218 (85.5%)
Hue231.53°
Saturation (HSL)68.78%
Lightness53.53%
Dominant channelBlue
Hex per channelR 37 · G 4E · B DA

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Every value on this page was computed from “374eda” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.