Nerdulator> put something in

Recognised as Colour

#103B58

  • #103B58
  • Blue
  • Dark
  • Nearest: Dark slate grey

#103B58 is a blue with RGB values 16, 59, 88 and HSL 204°, 69%, 20%. It is a dark colour, so white text on it reaches 11.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#103B58#103B58
HEX#103B58
RGBrgb(16, 59, 88)
RGB (0–1)0.0627, 0.2314, 0.3451
RGB percentages6.3%, 23.1%, 34.5%
HSLhsl(204.2, 69.2%, 20.4%)
HSV / HSBhsv(204.2, 81.8%, 34.5%)
CMYK81.8%, 33%, 0%, 65.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,063,768
CSS custom property--colour: #103B58;

Brightness & contrast

Relative luminance0.03943WCAG 2.x, 0 is black and 1 is white
Perceived brightness54.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.74:1
Contrast with white11.74:1WCAG normal text: AAA
Contrast with black1.79:1WCAG normal text: Fail
Greyscale equivalent#343434
Inverted#EFC4A7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2E3C59no red cones; affects about 1% of men; ΔE 7.1 from the original
Deuteranopia#243557no green cones; the most common form, about 1% of men; ΔE 7.9 from the original
Tritanopia#004245no blue cones; rare, and affects men and women equally; ΔE 20.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.74:1WCAG large text: AAA
Contrast with black, large text1.79:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 21.2Dim grey · ΔE 30.2Steel blue · ΔE 30.9Slate grey · ΔE 31.4Black · ΔE 32.1Light slate grey · ΔE 34.1
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 21.25, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#582D10
Analogous#105851, #101758
Triadic#58103B, #3B5810
Split complementary#581017, #585110
Tetradic#511058, #582D10, #175810

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#54A8E0
Lighter +30%#2992D8
Lighter +20%#2075AE
Lighter +10%#185883
Darker −10%#081E2D
Darker −20%#000102
Darker −30%#000000
Darker −40%#000000
More saturated +25%#033E65
Less saturated −25%#1D384B

Channel breakdown

R16
G59
B88
Red16 (6.3%)
Green59 (23.1%)
Blue88 (34.5%)
Hue204.17°
Saturation (HSL)69.23%
Lightness20.39%
Dominant channelBlue
Hex per channelR 10 · G 3B · B 58

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “103b58” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.