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Recognised as Colour

#1A373E

  • #1A373E
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#1A373E is a cyan with RGB values 26, 55, 62 and HSL 192°, 41%, 17%. It is a dark colour, so white text on it reaches 12.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#1A373E#1A373E
HEX#1A373E
RGBrgb(26, 55, 62)
RGB (0–1)0.102, 0.2157, 0.2431
RGB percentages10.2%, 21.6%, 24.3%
HSLhsl(191.7, 40.9%, 17.3%)
HSV / HSBhsv(191.7, 58.1%, 24.3%)
CMYK58.1%, 11.3%, 0%, 75.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,718,078
CSS custom property--colour: #1A373E;

Brightness & contrast

Relative luminance0.033WCAG 2.x, 0 is black and 1 is white
Perceived brightness49.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.65:1
Contrast with white12.65:1WCAG normal text: AAA
Contrast with black1.66:1WCAG normal text: Fail
Greyscale equivalent#313131
Inverted#E5C8C1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#32353Eno red cones; affects about 1% of men; ΔE 9.7 from the original
Deuteranopia#2C313Eno green cones; the most common form, about 1% of men; ΔE 10 from the original
Tritanopia#053A39no 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 text12.65:1WCAG large text: AAA
Contrast with black, large text1.66:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 11.3Black · ΔE 24.1Dim grey · ΔE 25.9Slate grey · ΔE 32.4Teal · ΔE 33.8Gray · ΔE 34.4
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 11.27, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3E211A
Analogous#1A3E33, #1A253E
Triadic#3E1A37, #373E1A
Split complementary#3E1A25, #3E331A
Tetradic#331A3E, #3E211A, #253E1A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#65ADBF
Lighter +30%#4797AA
Lighter +20%#387786
Lighter +10%#295762
Darker −10%#0B171A
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0F3E49
Less saturated −25%#253033

Channel breakdown

R26
G55
B62
Red26 (10.2%)
Green55 (21.6%)
Blue62 (24.3%)
Hue191.67°
Saturation (HSL)40.91%
Lightness17.25%
Dominant channelBlue
Hex per channelR 1A · G 37 · B 3E

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Every value on this page was computed from “1a373e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.