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Colour

#40A7A8

  • #40A7A8
  • Cyan
  • Dark
  • Nearest: Cadetblue

#40A7A8 is a cyan with RGB values 64, 167, 168 and HSL 181°, 45%, 45%. It is a dark colour, so black text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Cadetblue.

Colour values

#40A7A8#40A7A8
HEX#40A7A8
RGBrgb(64, 167, 168)
RGB (0–1)0.251, 0.6549, 0.6588
RGB percentages25.1%, 65.5%, 65.9%
HSLhsl(180.6, 44.8%, 45.5%)
HSV / HSBhsv(180.6, 61.9%, 65.9%)
CMYK61.9%, 0.6%, 0%, 34.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,237,224
CSS custom property--colour: #40A7A8;

Brightness & contrast

Relative luminance0.31555WCAG 2.x, 0 is black and 1 is white
Perceived brightness144.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.31:1
Contrast with white2.87:1WCAG normal text: Fail
Contrast with black7.31:1WCAG normal text: AAA
Greyscale equivalent#919191
Inverted#BF5857

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9C9FA8no red cones; affects about 1% of men; ΔE 30 from the original
Deuteranopia#8C93A9no green cones; the most common form, about 1% of men; ΔE 31.2 from the original
Tritanopia#00ACA7no blue cones; rare, and affects men and women equally; ΔE 8.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.87:1WCAG large text: Fail
Contrast with black, large text7.31:1WCAG large text: AAA

Named colours

Cadetblue · ΔE 9.5Light seagreen · ΔE 9.6Dark cyan · ΔE 10.9Teal · ΔE 14.7Medium turquoise · ΔE 16.3Dark turquoise · ΔE 17.2
Nearest named CSS colourCadetblue (#5F9EA0)ΔE 9.52, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A84140
Analogous#40A875, #4073A8
Triadic#A840A7, #A7A840
Split complementary#A84073, #A87540
Tetradic#7540A8, #A84140, #73A840

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C9EAEB
Lighter +30%#A4DCDD
Lighter +20%#80CECE
Lighter +10%#5BBFC0
Darker −10%#328283
Darker −20%#245E5E
Darker −30%#163939
Darker −40%#081414
More saturated +25%#23C3C5
Less saturated −25%#5D8B8B

Channel breakdown

R64
G167
B168
Red64 (25.1%)
Green167 (65.5%)
Blue168 (65.9%)
Hue180.58°
Saturation (HSL)44.83%
Lightness45.49%
Dominant channelBlue
Hex per channelR 40 · G A7 · B A8

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Every value on this page was computed from “40a7a8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.