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Recognised as Colour

#33B0DA

  • #33B0DA
  • Cyan
  • Dark
  • Nearest: Deep skyblue

#33B0DA is a cyan with RGB values 51, 176, 218 and HSL 195°, 69%, 53%. It is a dark colour, so black text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#33B0DA#33B0DA
HEX#33B0DA
RGBrgb(51, 176, 218)
RGB (0–1)0.2, 0.6902, 0.8549
RGB percentages20%, 69%, 85.5%
HSLhsl(195.1, 69.3%, 52.7%)
HSV / HSBhsv(195.1, 76.6%, 85.5%)
CMYK76.6%, 19.3%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,387,610
CSS custom property--colour: #33B0DA;

Brightness & contrast

Relative luminance0.36816WCAG 2.x, 0 is black and 1 is white
Perceived brightness156.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.36:1
Contrast with white2.51:1WCAG normal text: Fail
Contrast with black8.36:1WCAG normal text: AAA
Greyscale equivalent#989898
Inverted#CC4F25

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#99ACDCno red cones; affects about 1% of men; ΔE 24.7 from the original
Deuteranopia#839CDAno green cones; the most common form, about 1% of men; ΔE 26.8 from the original
Tritanopia#00BCBEno blue cones; rare, and affects men and women equally; ΔE 25.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.51:1WCAG large text: Fail
Contrast with black, large text8.36:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 13.1Light skyblue · ΔE 15.5Sky blue · ΔE 16.1Steel blue · ΔE 21.4Cadetblue · ΔE 24.1Light steelblue · ΔE 26.6
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 13.09, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DA5D33
Analogous#33DAB1, #335CDA
Triadic#DA33B0, #B0DA33
Split complementary#DA335C, #DAB133
Tetradic#B133DA, #DA5D33, #5CDA33

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E0F3F9
Lighter +30%#B5E2F1
Lighter +20%#89D1EA
Lighter +10%#5EC1E2
Darker −10%#2193B9
Darker −20%#1A708D
Darker −30%#124E62
Darker −40%#0A2C37
More saturated +25%#15BFF8
Less saturated −25%#51A1BC

Channel breakdown

R51
G176
B218
Red51 (20%)
Green176 (69%)
Blue218 (85.5%)
Hue195.09°
Saturation (HSL)69.29%
Lightness52.75%
Dominant channelBlue
Hex per channelR 33 · G B0 · B DA

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Every value on this page was computed from “33b0da” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.