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Colour

#1F4C5C

  • #1F4C5C
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#1F4C5C is a cyan with RGB values 31, 76, 92 and HSL 196°, 50%, 24%. It is a dark colour, so white text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#1F4C5C#1F4C5C
HEX#1F4C5C
RGBrgb(31, 76, 92)
RGB (0–1)0.1216, 0.298, 0.3608
RGB percentages12.2%, 29.8%, 36.1%
HSLhsl(195.7, 49.6%, 24.1%)
HSV / HSBhsv(195.7, 66.3%, 36.1%)
CMYK66.3%, 17.4%, 0%, 63.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,051,164
CSS custom property--colour: #1F4C5C;

Brightness & contrast

Relative luminance0.06233WCAG 2.x, 0 is black and 1 is white
Perceived brightness68.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.35:1
Contrast with white9.35:1WCAG normal text: AAA
Contrast with black2.25:1WCAG normal text: Fail
Greyscale equivalent#444444
Inverted#E0B3A3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#434A5Dno red cones; affects about 1% of men; ΔE 12.2 from the original
Deuteranopia#3A445Cno green cones; the most common form, about 1% of men; ΔE 12.6 from the original
Tritanopia#005151no blue cones; rare, and affects men and women equally; ΔE 13.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.35:1WCAG large text: AAA
Contrast with black, large text2.25:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 10.5Dim grey · ΔE 22.4Slate grey · ΔE 24.4Teal · ΔE 26.9Light slate grey · ΔE 27.2Gray · ΔE 29.2
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 10.53, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5C2F1F
Analogous#1F5C4E, #1F2D5C
Triadic#5C1F4C, #4C5C1F
Split complementary#5C1F2D, #5C4E1F
Tetradic#4E1F5C, #5C2F1F, #2D5C1F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#76B9D1
Lighter +30%#50A6C4
Lighter +20%#398BA8
Lighter +10%#2C6C82
Darker −10%#122C36
Darker −20%#050D10
Darker −30%#000000
Darker −40%#000000
More saturated +25%#10536B
Less saturated −25%#2E454D

Channel breakdown

R31
G76
B92
Red31 (12.2%)
Green76 (29.8%)
Blue92 (36.1%)
Hue195.74°
Saturation (HSL)49.59%
Lightness24.12%
Dominant channelBlue
Hex per channelR 1F · G 4C · B 5C

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Every value on this page was computed from “1f4c5c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.