Nerdulator> put something in

Recognised as Colour

#033740

  • #033740
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#033740 is a cyan with RGB values 3, 55, 64 and HSL 189°, 91%, 13%. It is a dark colour, so white text on it reaches 12.9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#033740#033740
HEX#033740
RGBrgb(3, 55, 64)
RGB (0–1)0.0118, 0.2157, 0.251
RGB percentages1.2%, 21.6%, 25.1%
HSLhsl(188.9, 91%, 13.1%)
HSV / HSBhsv(188.9, 95.3%, 25.1%)
CMYK95.3%, 14.1%, 0%, 74.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer210,752
CSS custom property--colour: #033740;

Brightness & contrast

Relative luminance0.03122WCAG 2.x, 0 is black and 1 is white
Perceived brightness47.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.93:1
Contrast with white12.93:1WCAG normal text: AAA
Contrast with black1.62:1WCAG normal text: Fail
Greyscale equivalent#2D2D2D
Inverted#FCC8BF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#303541no red cones; affects about 1% of men; ΔE 13.5 from the original
Deuteranopia#282F40no green cones; the most common form, about 1% of men; ΔE 14.3 from the original
Tritanopia#003B3Ano blue cones; rare, and affects men and women equally; ΔE 7.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.93:1WCAG large text: AAA
Contrast with black, large text1.62:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 12.5Black · ΔE 26Dim grey · ΔE 28.7Teal · ΔE 32.4Slate grey · ΔE 33.8Dark cyan · ΔE 36.7
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 12.54, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#400C03
Analogous#03402A, #031940
Triadic#400337, #374003
Split complementary#400319, #402A03
Tetradic#2A0340, #400C03, #194003

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#1BD4F4
Lighter +30%#0AB5D2
Lighter +20%#088BA1
Lighter +10%#056171
Darker −10%#010D0F
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003943
Less saturated −25%#0B3138

Channel breakdown

R3
G55
B64
Red3 (1.2%)
Green55 (21.6%)
Blue64 (25.1%)
Hue188.85°
Saturation (HSL)91.04%
Lightness13.14%
Dominant channelBlue
Hex per channelR 03 · G 37 · B 40

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 “hex 033740” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.