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Recognised as Colour

#154A54

  • #154A54
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#154A54 is a cyan with RGB values 21, 74, 84 and HSL 190°, 60%, 21%. It is a dark colour, so white text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#154A54#154A54
HEX#154A54
RGBrgb(21, 74, 84)
RGB (0–1)0.0824, 0.2902, 0.3294
RGB percentages8.2%, 29%, 32.9%
HSLhsl(189.5, 60%, 20.6%)
HSV / HSBhsv(189.5, 75%, 32.9%)
CMYK75%, 11.9%, 0%, 67.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,395,284
CSS custom property--colour: #154A54;

Brightness & contrast

Relative luminance0.05697WCAG 2.x, 0 is black and 1 is white
Perceived brightness64.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.82:1
Contrast with white9.82:1WCAG normal text: AAA
Contrast with black2.14:1WCAG normal text: Fail
Greyscale equivalent#3F3F3F
Inverted#EAB5AB

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#424755no red cones; affects about 1% of men; ΔE 15.1 from the original
Deuteranopia#394154no green cones; the most common form, about 1% of men; ΔE 15.4 from the original
Tritanopia#004E4Dno blue cones; rare, and affects men and women equally; ΔE 9.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.82:1WCAG large text: AAA
Contrast with black, large text2.14:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 7.9Dim grey · ΔE 23.5Teal · ΔE 25.1Slate grey · ΔE 26.7Dark cyan · ΔE 29.2Light slate grey · ΔE 29.5
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 7.91, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#541F15
Analogous#15543E, #152B54
Triadic#54154A, #4A5415
Split complementary#54152A, #543E15
Tetradic#3F1554, #541F15, #2B5415

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5EC4D7
Lighter +30%#35B5CD
Lighter +20%#2992A6
Lighter +10%#1F6E7D
Darker −10%#0B262B
Darker −20%#010202
Darker −30%#000000
Darker −40%#000000
More saturated +25%#085361
Less saturated −25%#224147

Channel breakdown

R21
G74
B84
Red21 (8.2%)
Green74 (29%)
Blue84 (32.9%)
Hue189.52°
Saturation (HSL)60%
Lightness20.59%
Dominant channelBlue
Hex per channelR 15 · G 4A · B 54

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Every value on this page was computed from “154a54” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.