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Recognised as Colour

#1F4E6A

  • #1F4E6A
  • Blue
  • Dark
  • Nearest: Dark slate grey

#1F4E6A is a blue with RGB values 31, 78, 106 and HSL 202°, 55%, 27%. It is a dark colour, so white text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#1F4E6A#1F4E6A
HEX#1F4E6A
RGBrgb(31, 78, 106)
RGB (0–1)0.1216, 0.3059, 0.4157
RGB percentages12.2%, 30.6%, 41.6%
HSLhsl(202.4, 54.7%, 26.9%)
HSV / HSBhsv(202.4, 70.8%, 41.6%)
CMYK70.8%, 26.4%, 0%, 58.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,051,690
CSS custom property--colour: #1F4E6A;

Brightness & contrast

Relative luminance0.06781WCAG 2.x, 0 is black and 1 is white
Perceived brightness71.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.91:1
Contrast with white8.91:1WCAG normal text: AAA
Contrast with black2.36:1WCAG normal text: Fail
Greyscale equivalent#464646
Inverted#E0B195

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#414E6Bno red cones; affects about 1% of men; ΔE 9.5 from the original
Deuteranopia#37466Ano green cones; the most common form, about 1% of men; ΔE 11.1 from the original
Tritanopia#005558no blue cones; rare, and affects men and women equally; ΔE 19.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.91:1WCAG large text: AAA
Contrast with black, large text2.36:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 18.1Steel blue · ΔE 24.1Slate grey · ΔE 24.2Dim grey · ΔE 25.4Light slate grey · ΔE 26.8Teal · ΔE 31
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 18.08, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6A3B1F
Analogous#1F6A60, #1F296A
Triadic#6A1F4E, #4E6A1F
Split complementary#6A1F29, #6A601F
Tetradic#601F6A, #6A3B1F, #296A1F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7CB6D9
Lighter +30%#55A0CD
Lighter +20%#3688B9
Lighter +10%#2B6B91
Darker −10%#133143
Darker −20%#08141B
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0E527B
Less saturated −25%#304A59

Channel breakdown

R31
G78
B106
Red31 (12.2%)
Green78 (30.6%)
Blue106 (41.6%)
Hue202.4°
Saturation (HSL)54.74%
Lightness26.86%
Dominant channelBlue
Hex per channelR 1F · G 4E · B 6A

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Every value on this page was computed from “1f4e6a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.