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Recognised as Colour

#013058

  • #013058
  • Blue
  • Dark
  • Nearest: Dark slateblue

#013058 is a blue with RGB values 1, 48, 88 and HSL 208°, 98%, 17%. It is a dark colour, so white text on it reaches 13.4:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#013058#013058
HEX#013058
RGBrgb(1, 48, 88)
RGB (0–1)0.0039, 0.1882, 0.3451
RGB percentages0.4%, 18.8%, 34.5%
HSLhsl(207.6, 97.8%, 17.5%)
HSV / HSBhsv(207.6, 98.9%, 34.5%)
CMYK98.9%, 45.5%, 0%, 65.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer77,912
CSS custom property--colour: #013058;

Brightness & contrast

Relative luminance0.02825WCAG 2.x, 0 is black and 1 is white
Perceived brightness47.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.42:1
Contrast with white13.42:1WCAG normal text: AAA
Contrast with black1.56:1WCAG normal text: Fail
Greyscale equivalent#292929
Inverted#FECFA7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1B335Ano red cones; affects about 1% of men; ΔE 3.7 from the original
Deuteranopia#0B2B57no green cones; the most common form, about 1% of men; ΔE 4.9 from the original
Tritanopia#003A3Fno blue cones; rare, and affects men and women equally; ΔE 26.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.42:1WCAG large text: AAA
Contrast with black, large text1.56:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 29.5Dark slate grey · ΔE 30.8Steel blue · ΔE 34.1Black · ΔE 34.3Midnight blue · ΔE 36.2Dim grey · ΔE 37.8
Nearest named CSS colourDark slateblue (#483D8B)ΔE 29.5, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#582901
Analogous#015855, #010458
Triadic#580130, #305801
Split complementary#580104, #585501
Tetradic#550158, #582901, #045801

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#289BFD
Lighter +30%#0383EF
Lighter +20%#0267BD
Lighter +10%#024C8A
Darker −10%#001426
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003059
Less saturated −25%#0C2F4D

Channel breakdown

R1
G48
B88
Red1 (0.4%)
Green48 (18.8%)
Blue88 (34.5%)
Hue207.59°
Saturation (HSL)97.75%
Lightness17.45%
Dominant channelBlue
Hex per channelR 01 · G 30 · B 58

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Every value on this page was computed from “hex 013058” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.