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Colour

#124C59

  • #124C59
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#124C59 is a cyan with RGB values 18, 76, 89 and HSL 191°, 66%, 21%. It is a dark colour, so white text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#124C59#124C59
HEX#124C59
RGBrgb(18, 76, 89)
RGB (0–1)0.0706, 0.298, 0.349
RGB percentages7.1%, 29.8%, 34.9%
HSLhsl(191, 66.4%, 21%)
HSV / HSBhsv(191, 79.8%, 34.9%)
CMYK79.8%, 14.6%, 0%, 65.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,199,193
CSS custom property--colour: #124C59;

Brightness & contrast

Relative luminance0.06019WCAG 2.x, 0 is black and 1 is white
Perceived brightness66.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.53:1
Contrast with white9.53:1WCAG normal text: AAA
Contrast with black2.2:1WCAG normal text: Fail
Greyscale equivalent#414141
Inverted#EDB3A6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#43495Ano red cones; affects about 1% of men; ΔE 15.4 from the original
Deuteranopia#3A4259no green cones; the most common form, about 1% of men; ΔE 16.4 from the original
Tritanopia#005150no blue cones; rare, and affects men and women equally; ΔE 11 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.53:1WCAG large text: AAA
Contrast with black, large text2.2:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 9.5Dim grey · ΔE 23.8Teal · ΔE 24.8Slate grey · ΔE 26Light slate grey · ΔE 28.7Dark cyan · ΔE 28.9
Nearest named CSS colourDark slate grey (#2F4F4F)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#591F12
Analogous#125942, #122959
Triadic#59124C, #4C5912
Split complementary#591229, #594312
Tetradic#421259, #591F12, #285912

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#59C5DE
Lighter +30%#2FB7D5
Lighter +20%#2394AE
Lighter +10%#1B7083
Darker −10%#09282F
Darker −20%#010404
Darker −30%#000000
Darker −40%#000000
More saturated +25%#055466
Less saturated −25%#1F444C

Channel breakdown

R18
G76
B89
Red18 (7.1%)
Green76 (29.8%)
Blue89 (34.9%)
Hue190.99°
Saturation (HSL)66.36%
Lightness20.98%
Dominant channelBlue
Hex per channelR 12 · G 4C · B 59

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Every value on this page was computed from “124c59” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.