Nerdulator> put something in

Colour

#013A51

  • #013A51
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#013A51 is a cyan with RGB values 1, 58, 81 and HSL 197°, 98%, 16%. It is a dark colour, so white text on it reaches 12.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#013A51#013A51
HEX#013A51
RGBrgb(1, 58, 81)
RGB (0–1)0.0039, 0.2275, 0.3176
RGB percentages0.4%, 22.7%, 31.8%
HSLhsl(197.3, 97.6%, 16.1%)
HSV / HSBhsv(197.3, 98.8%, 31.8%)
CMYK98.8%, 28.4%, 0%, 68.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer80,465
CSS custom property--colour: #013A51;

Brightness & contrast

Relative luminance0.03627WCAG 2.x, 0 is black and 1 is white
Perceived brightness52.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.17:1
Contrast with white12.17:1WCAG normal text: AAA
Contrast with black1.73:1WCAG normal text: Fail
Greyscale equivalent#303030
Inverted#FEC5AE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2E3952no red cones; affects about 1% of men; ΔE 10.5 from the original
Deuteranopia#243251no green cones; the most common form, about 1% of men; ΔE 12 from the original
Tritanopia#004042no blue cones; rare, and affects men and women equally; ΔE 15.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.17:1WCAG large text: AAA
Contrast with black, large text1.73:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 17.9Dim grey · ΔE 29.8Black · ΔE 30.1Slate grey · ΔE 31.9Steel blue · ΔE 33.1Light slate grey · ΔE 34.7
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 17.94, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#511801
Analogous#015140, #011251
Triadic#51013A, #3A5101
Split complementary#510112, #514001
Tetradic#400151, #511801, #125101

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#22BDFC
Lighter +30%#03A6E8
Lighter +20%#0282B6
Lighter +10%#025E83
Darker −10%#00161F
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003A52
Less saturated −25%#0B3647

Channel breakdown

R1
G58
B81
Red1 (0.4%)
Green58 (22.7%)
Blue81 (31.8%)
Hue197.25°
Saturation (HSL)97.56%
Lightness16.08%
Dominant channelBlue
Hex per channelR 01 · G 3A · B 51

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 “013a51” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.