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Recognised as Colour

#004259

  • #004259
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#004259 is a cyan with RGB values 0, 66, 89 and HSL 196°, 100%, 17%. It is a dark colour, so white text on it reaches 10.9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#004259#004259
HEX#004259
RGBrgb(0, 66, 89)
RGB (0–1)0, 0.2588, 0.349
RGB percentages0%, 25.9%, 34.9%
HSLhsl(195.5, 100%, 17.5%)
HSV / HSBhsv(195.5, 100%, 34.9%)
CMYK100%, 25.8%, 0%, 65.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,985
CSS custom property--colour: #004259;

Brightness & contrast

Relative luminance0.04618WCAG 2.x, 0 is black and 1 is white
Perceived brightness58.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.92:1
Contrast with white10.92:1WCAG normal text: AAA
Contrast with black1.92:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#FFBDA6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#36415Ano red cones; affects about 1% of men; ΔE 12.2 from the original
Deuteranopia#2B3959no green cones; the most common form, about 1% of men; ΔE 13.8 from the original
Tritanopia#00484Ano blue cones; rare, and affects men and women equally; ΔE 15.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.92:1WCAG large text: AAA
Contrast with black, large text1.92:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 16.4Dim grey · ΔE 28.2Slate grey · ΔE 29.3Steel blue · ΔE 30.4Teal · ΔE 31.8Light slate grey · ΔE 32
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 16.41, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#591700
Analogous#005944, #001559
Triadic#590042, #425900
Split complementary#590015, #594400
Tetradic#440059, #591700, #155900

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#26C7FF
Lighter +30%#00B3F2
Lighter +20%#008EBF
Lighter +10%#00688C
Darker −10%#001C26
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#004259
Less saturated −25%#0B3D4E

Channel breakdown

R0
G66
B89
Red0 (0%)
Green66 (25.9%)
Blue89 (34.9%)
Hue195.51°
Saturation (HSL)100%
Lightness17.45%
Dominant channelBlue
Hex per channelR 00 · G 42 · B 59

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Every value on this page was computed from “hex 004259” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.