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Recognised as Colour

#28525D

  • #28525D
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#28525D is a cyan with RGB values 40, 82, 93 and HSL 192°, 40%, 26%. It is a dark colour, so white text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#28525D#28525D
HEX#28525D
RGBrgb(40, 82, 93)
RGB (0–1)0.1569, 0.3216, 0.3647
RGB percentages15.7%, 32.2%, 36.5%
HSLhsl(192.5, 39.8%, 26.1%)
HSV / HSBhsv(192.5, 57%, 36.5%)
CMYK57%, 11.8%, 0%, 63.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,642,525
CSS custom property--colour: #28525D;

Brightness & contrast

Relative luminance0.07276WCAG 2.x, 0 is black and 1 is white
Perceived brightness73.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.55:1
Contrast with white8.55:1WCAG normal text: AAA
Contrast with black2.46:1WCAG normal text: Fail
Greyscale equivalent#4A4A4A
Inverted#D7ADA2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4B505Eno red cones; affects about 1% of men; ΔE 12.8 from the original
Deuteranopia#434A5Dno green cones; the most common form, about 1% of men; ΔE 13.3 from the original
Tritanopia#025655no 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 text8.55:1WCAG large text: AAA
Contrast with black, large text2.46:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 7.3Dim grey · ΔE 19.7Slate grey · ΔE 22.3Teal · ΔE 23.9Light slate grey · ΔE 25.1Gray · ΔE 26.3
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 7.3, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5D3328
Analogous#285D4D, #28385D
Triadic#5D2852, #525D28
Split complementary#5D2838, #5D4D28
Tetradic#4D285D, #5D3328, #385D28

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#86BDCB
Lighter +30%#62A9BC
Lighter +20%#4791A4
Lighter +10%#377181
Darker −10%#193339
Darker −20%#091316
Darker −30%#000000
Darker −40%#000000
More saturated +25%#175C6E
Less saturated −25%#39484C

Channel breakdown

R40
G82
B93
Red40 (15.7%)
Green82 (32.2%)
Blue93 (36.5%)
Hue192.45°
Saturation (HSL)39.85%
Lightness26.08%
Dominant channelBlue
Hex per channelR 28 · G 52 · B 5D

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Every value on this page was computed from “28525d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.