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Recognised as Colour

#1F3C62

  • #1F3C62
  • Blue
  • Dark
  • Nearest: Dark slate grey

#1F3C62 is a blue with RGB values 31, 60, 98 and HSL 214°, 52%, 25%. It is a dark colour, so white text on it reaches 11.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#1F3C62#1F3C62
HEX#1F3C62
RGBrgb(31, 60, 98)
RGB (0–1)0.1216, 0.2353, 0.3843
RGB percentages12.2%, 23.5%, 38.4%
HSLhsl(214, 51.9%, 25.3%)
HSV / HSBhsv(214, 68.4%, 38.4%)
CMYK68.4%, 38.8%, 0%, 61.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,047,074
CSS custom property--colour: #1F3C62;

Brightness & contrast

Relative luminance0.04405WCAG 2.x, 0 is black and 1 is white
Perceived brightness59.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.16:1
Contrast with white11.16:1WCAG normal text: AAA
Contrast with black1.88:1WCAG normal text: Fail
Greyscale equivalent#393939
Inverted#E0C39D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2B3F64no red cones; affects about 1% of men; ΔE 2.7 from the original
Deuteranopia#223861no green cones; the most common form, about 1% of men; ΔE 3.5 from the original
Tritanopia#00454Ano blue cones; rare, and affects men and women equally; ΔE 26.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.16:1WCAG large text: AAA
Contrast with black, large text1.88:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 27.1Steel blue · ΔE 29.1Dark slateblue · ΔE 29.1Slate grey · ΔE 32.1Dim grey · ΔE 32.4Light slate grey · ΔE 34.6
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 27.06, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#62451F
Analogous#1F5E62, #231F62
Triadic#621F3C, #3C621F
Split complementary#62231F, #5E621F
Tetradic#621F5E, #62451F, #1F6223

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#79A0D4
Lighter +30%#5285C8
Lighter +20%#386BAF
Lighter +10%#2B5489
Darker −10%#13243B
Darker −20%#060D15
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0F3A72
Less saturated −25%#2F3E52

Channel breakdown

R31
G60
B98
Red31 (12.2%)
Green60 (23.5%)
Blue98 (38.4%)
Hue214.03°
Saturation (HSL)51.94%
Lightness25.29%
Dominant channelBlue
Hex per channelR 1F · G 3C · B 62

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Every value on this page was computed from “1f3c62” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.