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Recognised as Colour

#33B2FD

  • #33B2FD
  • Blue
  • Dark
  • Nearest: Deep skyblue

#33B2FD is a blue with RGB values 51, 178, 253 and HSL 202°, 98%, 60%. It is a dark colour, so black text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#33B2FD#33B2FD
HEX#33B2FD
RGBrgb(51, 178, 253)
RGB (0–1)0.2, 0.698, 0.9922
RGB percentages20%, 69.8%, 99.2%
HSLhsl(202.3, 98.1%, 59.6%)
HSV / HSBhsv(202.3, 79.8%, 99.2%)
CMYK79.8%, 29.6%, 0%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,388,157
CSS custom property--colour: #33B2FD;

Brightness & contrast

Relative luminance0.39636WCAG 2.x, 0 is black and 1 is white
Perceived brightness163.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.93:1
Contrast with white2.35:1WCAG normal text: Fail
Contrast with black8.93:1WCAG normal text: AAA
Greyscale equivalent#9C9C9C
Inverted#CC4D02

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8EB3FFno red cones; affects about 1% of men; ΔE 17 from the original
Deuteranopia#73A1FCno green cones; the most common form, about 1% of men; ΔE 19.4 from the original
Tritanopia#00C5CCno blue cones; rare, and affects men and women equally; ΔE 42.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.35:1WCAG large text: Fail
Contrast with black, large text8.93:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 10.3Cornflower blue · ΔE 19.8Light skyblue · ΔE 21.1Steel blue · ΔE 22.6Dodgerblue · ΔE 27Sky blue · ΔE 27.9
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 10.27, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FD7E33
Analogous#33FDE3, #334DFD
Triadic#FD33B2, #B2FD33
Split complementary#FD334D, #FDE333
Tetradic#E333FD, #FD7E33, #4DFD33

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FDFEFF
Lighter +30%#CBEBFE
Lighter +20%#98D8FE
Lighter +10%#66C5FD
Darker −10%#029EFB
Darker −20%#027EC8
Darker −30%#015F96
Darker −40%#013F63
More saturated +25%#31B3FF
Less saturated −25%#4DABE3

Channel breakdown

R51
G178
B253
Red51 (20%)
Green178 (69.8%)
Blue253 (99.2%)
Hue202.28°
Saturation (HSL)98.06%
Lightness59.61%
Dominant channelBlue
Hex per channelR 33 · G B2 · B FD

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Every value on this page was computed from “33b2fd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.