Colour

#02172D

#02172D
Blue
Dark
Nearest: Black

#02172D is a blue with RGB values 2, 23, 45 and HSL 211°, 91%, 9%. It is a dark colour, so white text on it reaches 18.1:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#02172D#02172D

HEX#02172D

RGBrgb(2, 23, 45)

RGB (0–1)0.0078, 0.0902, 0.1765

RGB percentages0.8%, 9%, 17.6%

HSLhsl(210.7, 91.5%, 9.2%)

HSV / HSBhsv(210.7, 95.6%, 17.6%)

CMYK95.6%, 48.9%, 0%, 82.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer137,005

CSS custom property--colour: #02172D;

Brightness & contrast

Relative luminance0.00815WCAG 2.x, 0 is black and 1 is white

Perceived brightness23.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.06:1

Contrast with white18.06:1WCAG normal text: AAA

Contrast with black1.16:1WCAG normal text: Fail

Greyscale equivalent#141414

Inverted#FDE8D2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0C182Eno red cones; affects about 1% of men; ΔE 2.6 from the original

Deuteranopia#05142Dno green cones; the most common form, about 1% of men; ΔE 3.3 from the original

Tritanopia#001C1Fno blue cones; rare, and affects men and women equally; ΔE 15.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text18.06:1WCAG large text: AAA

Contrast with black, large text1.16:1WCAG large text: Fail

Named colours

Black · ΔE 18.8 Dark slate grey · ΔE 30.4 Dim grey · ΔE 40.9 Dark slateblue · ΔE 42.2 Midnight blue · ΔE 45.2 Slate grey · ΔE 46.1

Nearest named CSS colourBlack (#000000)ΔE 18.83, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#2D1802

Analogous#022C2D, #03022D

Triadic#2D0217, #172D02

Split complementary#2D0302, #2C2D02

Tetradic#2D022C, #2D1802, #022D03

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#0B7BF0

Lighter +30%#0962BF

Lighter +20%#06498F

Lighter +10%#04305E

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#00172F

Less saturated −25%#081727

Channel breakdown

G23

B45

Red2 (0.8%)

Green23 (9%)

Blue45 (17.6%)

Hue210.7°

Saturation (HSL)91.49%

Lightness9.22%

Dominant channelBlue

Hex per channelR 02 · G 17 · B 2D

Keep nerding

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

#02172D

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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