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Recognised as Colour

#215D77

  • #215D77
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#215D77 is a cyan with RGB values 33, 93, 119 and HSL 198°, 57%, 30%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#215D77#215D77
HEX#215D77
RGBrgb(33, 93, 119)
RGB (0–1)0.1294, 0.3647, 0.4667
RGB percentages12.9%, 36.5%, 46.7%
HSLhsl(198.1, 56.6%, 29.8%)
HSV / HSBhsv(198.1, 72.3%, 46.7%)
CMYK72.3%, 21.8%, 0%, 53.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,186,615
CSS custom property--colour: #215D77;

Brightness & contrast

Relative luminance0.09484WCAG 2.x, 0 is black and 1 is white
Perceived brightness83.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.25:1
Contrast with white7.25:1WCAG normal text: AAA
Contrast with black2.9:1WCAG normal text: Fail
Greyscale equivalent#525252
Inverted#DEA288

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#505C78no red cones; affects about 1% of men; ΔE 13.2 from the original
Deuteranopia#445377no green cones; the most common form, about 1% of men; ΔE 14.6 from the original
Tritanopia#006466no blue cones; rare, and affects men and women equally; ΔE 18.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.25:1WCAG large text: AAA
Contrast with black, large text2.9:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 17.6Slate grey · ΔE 20.3Steel blue · ΔE 20.5Light slate grey · ΔE 22.5Dim grey · ΔE 23.9Teal · ΔE 24.9
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 17.58, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#773B21
Analogous#217766, #213277
Triadic#77215D, #5D7721
Split complementary#772132, #776621
Tetradic#662177, #773B21, #327721

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#86C3DE
Lighter +30%#5FAFD2
Lighter +20%#379BC7
Lighter +10%#2C7C9F
Darker −10%#163E4F
Darker −20%#0B1F27
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0E658A
Less saturated −25%#345564

Channel breakdown

R33
G93
B119
Red33 (12.9%)
Green93 (36.5%)
Blue119 (46.7%)
Hue198.14°
Saturation (HSL)56.58%
Lightness29.8%
Dominant channelBlue
Hex per channelR 21 · G 5D · B 77

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Every value on this page was computed from “215d77” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.