Nerdulator> put something in

Recognised as Colour

#56B4CB

  • #56B4CB
  • Cyan
  • Dark
  • Nearest: Sky blue

#56B4CB is a cyan with RGB values 86, 180, 203 and HSL 192°, 53%, 57%. It is a dark colour, so black text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#56B4CB#56B4CB
HEX#56B4CB
RGBrgb(86, 180, 203)
RGB (0–1)0.3373, 0.7059, 0.7961
RGB percentages33.7%, 70.6%, 79.6%
HSLhsl(191.8, 52.9%, 56.7%)
HSV / HSBhsv(191.8, 57.6%, 79.6%)
CMYK57.6%, 11.3%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,682,379
CSS custom property--colour: #56B4CB;

Brightness & contrast

Relative luminance0.38933WCAG 2.x, 0 is black and 1 is white
Perceived brightness161 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.79:1
Contrast with white2.39:1WCAG normal text: Fail
Contrast with black8.79:1WCAG normal text: AAA
Greyscale equivalent#A2A2A2
Inverted#A94B34

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A4AFCCno red cones; affects about 1% of men; ΔE 24 from the original
Deuteranopia#93A2CBno green cones; the most common form, about 1% of men; ΔE 25.4 from the original
Tritanopia#00BCBBno blue cones; rare, and affects men and women equally; ΔE 19.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.39:1WCAG large text: Fail
Contrast with black, large text8.79:1WCAG large text: AAA

Named colours

Sky blue · ΔE 12.3Cadetblue · ΔE 14.8Light skyblue · ΔE 17.3Light blue · ΔE 20.2Dark turquoise · ΔE 21Light seagreen · ΔE 21.6
Nearest named CSS colourSky blue (#87CEEB)ΔE 12.32, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CB6D56
Analogous#56CBA8, #5679CB
Triadic#CB56B4, #B4CB56
Split complementary#CB5679, #CBA756
Tetradic#A856CB, #CB6D56, #7ACB56

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F2F9FB
Lighter +30%#CBE8EF
Lighter +20%#A4D7E3
Lighter +10%#7DC5D7
Darker −10%#389DB6
Darker −20%#2C7C8F
Darker −30%#205A68
Darker −40%#143841
More saturated +25%#3AC5E7
Less saturated −25%#72A3AF

Channel breakdown

R86
G180
B203
Red86 (33.7%)
Green180 (70.6%)
Blue203 (79.6%)
Hue191.79°
Saturation (HSL)52.94%
Lightness56.67%
Dominant channelBlue
Hex per channelR 56 · G B4 · B CB

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “56b4cb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.