Colour

#23404D

#23404D
Cyan
Dark
Nearest: Dark slate grey

#23404D is a cyan with RGB values 35, 64, 77 and HSL 199°, 37%, 22%. It is a dark colour, so white text on it reaches 11:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#23404D#23404D

HEX#23404D

RGBrgb(35, 64, 77)

RGB (0–1)0.1373, 0.251, 0.302

RGB percentages13.7%, 25.1%, 30.2%

HSLhsl(198.6, 37.5%, 22%)

HSV / HSBhsv(198.6, 54.5%, 30.2%)

CMYK54.5%, 16.9%, 0%, 69.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,310,221

CSS custom property--colour: #23404D;

Brightness & contrast

Relative luminance0.0456WCAG 2.x, 0 is black and 1 is white

Perceived brightness58.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.98:1

Contrast with white10.98:1WCAG normal text: AAA

Contrast with black1.91:1WCAG normal text: Fail

Greyscale equivalent#3B3B3B

Inverted#DCBFB2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#393F4Eno red cones; affects about 1% of men; ΔE 8.3 from the original

Deuteranopia#333A4Dno green cones; the most common form, about 1% of men; ΔE 9.1 from the original

Tritanopia#0D4444no blue cones; rare, and affects men and women equally; ΔE 12 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text10.98:1WCAG large text: AAA

Contrast with black, large text1.91:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 10.8 Dim grey · ΔE 23 Slate grey · ΔE 27.8 Black · ΔE 28.6 Light slate grey · ΔE 30.8 Gray · ΔE 31

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 10.76, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#4D3023

Analogous#234D45, #232B4D

Triadic#4D2340, #404D23

Split complementary#4D232B, #4D4523

Tetradic#45234D, #4D3023, #2B4D23

Tints, shades & saturation

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

Lighter +40%#7AACC2

Lighter +30%#5796B2

Lighter +20%#437A93

Lighter +10%#335D70

Darker −10%#13232A

Darker −20%#030607

Darker −30%#000000

Darker −40%#000000

More saturated +25%#15455B

Less saturated −25%#313B3F

Channel breakdown

R35

G64

B77

Red35 (13.7%)

Green64 (25.1%)

Blue77 (30.2%)

Hue198.57°

Saturation (HSL)37.5%

Lightness21.96%

Dominant channelBlue

Hex per channelR 23 · G 40 · B 4D

Keep nerding

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

#23404D

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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