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Recognised as Colour

#1E3058

  • #1E3058
  • Blue
  • Dark
  • Nearest: Dark slateblue

#1E3058 is a blue with RGB values 30, 48, 88 and HSL 221°, 49%, 23%. It is a dark colour, so white text on it reaches 13:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#1E3058#1E3058
HEX#1E3058
RGBrgb(30, 48, 88)
RGB (0–1)0.1176, 0.1882, 0.3451
RGB percentages11.8%, 18.8%, 34.5%
HSLhsl(221.4, 49.2%, 23.1%)
HSV / HSBhsv(221.4, 65.9%, 34.5%)
CMYK65.9%, 45.5%, 0%, 65.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,978,456
CSS custom property--colour: #1E3058;

Brightness & contrast

Relative luminance0.03095WCAG 2.x, 0 is black and 1 is white
Perceived brightness50 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.97:1
Contrast with white12.97:1WCAG normal text: AAA
Contrast with black1.62:1WCAG normal text: Fail
Greyscale equivalent#2F2F2F
Inverted#E1CFA7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1E345Ano red cones; affects about 1% of men; ΔE 2.7 from the original
Deuteranopia#162F57no green cones; the most common form, about 1% of men; ΔE 1.7 from the original
Tritanopia#00393Fno blue cones; rare, and affects men and women equally; ΔE 27.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.97:1WCAG large text: AAA
Contrast with black, large text1.62:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 26.8Dark slate grey · ΔE 31.3Black · ΔE 34.1Midnight blue · ΔE 34.2Steel blue · ΔE 34.4Dim grey · ΔE 36.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 26.78, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#58461E
Analogous#1E4D58, #291E58
Triadic#581E30, #30581E
Split complementary#58291E, #4D581E
Tetradic#581E4D, #58461E, #1E5829

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#738FCF
Lighter +30%#4D71C2
Lighter +20%#3859A4
Lighter +10%#2B457E
Darker −10%#111B32
Darker −20%#04070C
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0F2A67
Less saturated −25%#2D3649

Channel breakdown

R30
G48
B88
Red30 (11.8%)
Green48 (18.8%)
Blue88 (34.5%)
Hue221.38°
Saturation (HSL)49.15%
Lightness23.14%
Dominant channelBlue
Hex per channelR 1E · G 30 · B 58

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Every value on this page was computed from “1e3058” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.