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Recognised as Colour

#00425D

  • #00425D
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#00425D is a cyan with RGB values 0, 66, 93 and HSL 197°, 100%, 18%. It is a dark colour, so white text on it reaches 10.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#00425D#00425D
HEX#00425D
RGBrgb(0, 66, 93)
RGB (0–1)0, 0.2588, 0.3647
RGB percentages0%, 25.9%, 36.5%
HSLhsl(197.4, 100%, 18.2%)
HSV / HSBhsv(197.4, 100%, 36.5%)
CMYK100%, 29%, 0%, 63.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,989
CSS custom property--colour: #00425D;

Brightness & contrast

Relative luminance0.04687WCAG 2.x, 0 is black and 1 is white
Perceived brightness59.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.84:1
Contrast with white10.84:1WCAG normal text: AAA
Contrast with black1.94:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#FFBDA2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#34425Eno red cones; affects about 1% of men; ΔE 10.7 from the original
Deuteranopia#293A5Dno green cones; the most common form, about 1% of men; ΔE 12.2 from the original
Tritanopia#00494Bno blue cones; rare, and affects men and women equally; ΔE 18.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.84:1WCAG large text: AAA
Contrast with black, large text1.94:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 18.8Steel blue · ΔE 29Dim grey · ΔE 29.2Slate grey · ΔE 29.5Light slate grey · ΔE 32.2Teal · ΔE 33.5
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 18.78, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5D1B00
Analogous#005D49, #00145D
Triadic#5D0042, #425D00
Split complementary#5D0014, #5D4900
Tetradic#49005D, #5D1B00, #145D00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#2AC1FF
Lighter +30%#00AFF6
Lighter +20%#008AC3
Lighter +10%#006690
Darker −10%#001E2A
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00425D
Less saturated −25%#0C3D51

Channel breakdown

R0
G66
B93
Red0 (0%)
Green66 (25.9%)
Blue93 (36.5%)
Hue197.42°
Saturation (HSL)100%
Lightness18.24%
Dominant channelBlue
Hex per channelR 00 · G 42 · B 5D

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Every value on this page was computed from “00425d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.