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Colour

#304AED

  • #304AED
  • Blue
  • Dark
  • Nearest: Medium slateblue

#304AED is a blue with RGB values 48, 74, 237 and HSL 232°, 84%, 56%. It is a dark colour, so white text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#304AED#304AED
HEX#304AED
RGBrgb(48, 74, 237)
RGB (0–1)0.1882, 0.2902, 0.9294
RGB percentages18.8%, 29%, 92.9%
HSLhsl(231.7, 84%, 55.9%)
HSV / HSBhsv(231.7, 79.7%, 92.9%)
CMYK79.7%, 68.8%, 0%, 7.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,164,909
CSS custom property--colour: #304AED;

Brightness & contrast

Relative luminance0.1164WCAG 2.x, 0 is black and 1 is white
Perceived brightness101.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.31:1
Contrast with white6.31:1WCAG normal text: AA
Contrast with black3.33:1WCAG normal text: Fail
Greyscale equivalent#505050
Inverted#CFB512

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0069F2no red cones; affects about 1% of men; ΔE 22.6 from the original
Deuteranopia#0057EAno green cones; the most common form, about 1% of men; ΔE 12.2 from the original
Tritanopia#007896no blue cones; rare, and affects men and women equally; ΔE 88.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.31:1WCAG large text: AAA
Contrast with black, large text3.33:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 22.8Blue violet · ΔE 23.7Medium blue · ΔE 25.9Slate blue · ΔE 29Dark orchid · ΔE 29.4Royal blue · ΔE 29.5
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 22.81, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EDD330
Analogous#30A8ED, #7530ED
Triadic#ED304A, #4AED30
Split complementary#ED7530, #A8ED30
Tetradic#ED30A8, #EDD330, #30ED74

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ECEEFD
Lighter +30%#BDC5F9
Lighter +20%#8E9CF5
Lighter +10%#5F73F1
Darker −10%#132ED7
Darker −20%#0F24A8
Darker −30%#0B1A79
Darker −40%#06104B
More saturated +25%#1E3DFF
Less saturated −25%#4C5ED1

Channel breakdown

R48
G74
B237
Red48 (18.8%)
Green74 (29%)
Blue237 (92.9%)
Hue231.75°
Saturation (HSL)84%
Lightness55.88%
Dominant channelBlue
Hex per channelR 30 · G 4A · B ED

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Every value on this page was computed from “304aed” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.