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Recognised as Colour

#2BB5E1

  • #2BB5E1
  • Cyan
  • Dark
  • Nearest: Deep skyblue

#2BB5E1 is a cyan with RGB values 43, 181, 225 and HSL 195°, 75%, 53%. It is a dark colour, so black text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#2BB5E1#2BB5E1
HEX#2BB5E1
RGBrgb(43, 181, 225)
RGB (0–1)0.1686, 0.7098, 0.8824
RGB percentages16.9%, 71%, 88.2%
HSLhsl(194.5, 75.2%, 52.5%)
HSV / HSBhsv(194.5, 80.9%, 88.2%)
CMYK80.9%, 19.6%, 0%, 11.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,864,609
CSS custom property--colour: #2BB5E1;

Brightness & contrast

Relative luminance0.38998WCAG 2.x, 0 is black and 1 is white
Perceived brightness159.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.8:1
Contrast with white2.39:1WCAG normal text: Fail
Contrast with black8.8:1WCAG normal text: AAA
Greyscale equivalent#9B9B9B
Inverted#D44A1E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9DB1E3no red cones; affects about 1% of men; ΔE 26 from the original
Deuteranopia#85A0E0no green cones; the most common form, about 1% of men; ΔE 27.7 from the original
Tritanopia#00C2C3no blue cones; rare, and affects men and women equally; ΔE 27.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.39:1WCAG large text: Fail
Contrast with black, large text8.8:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 11.5Light skyblue · ΔE 15.2Sky blue · ΔE 16.2Steel blue · ΔE 23.3Cadetblue · ΔE 25.9Light blue · ΔE 27.4
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 11.48, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E1572B
Analogous#2BE1B2, #2B5AE1
Triadic#E12BB5, #B5E12B
Split complementary#E12B5A, #E1B22B
Tetradic#B22BE1, #E1572B, #5AE12B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DEF3FA
Lighter +30%#B1E4F4
Lighter +20%#84D4EE
Lighter +10%#58C5E7
Darker −10%#1B97BE
Darker −20%#157391
Darker −30%#0E5065
Darker −40%#082C38
More saturated +25%#0DC4FF
Less saturated −25%#49A5C3

Channel breakdown

R43
G181
B225
Red43 (16.9%)
Green181 (71%)
Blue225 (88.2%)
Hue194.51°
Saturation (HSL)75.21%
Lightness52.55%
Dominant channelBlue
Hex per channelR 2B · G B5 · B E1

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Every value on this page was computed from “2bb5e1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.