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Recognised as Colour

#307DA2

  • #307DA2
  • Cyan
  • Dark
  • Nearest: Steel blue

#307DA2 is a cyan with RGB values 48, 125, 162 and HSL 199°, 54%, 41%. It is a dark colour, so white text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#307DA2#307DA2
HEX#307DA2
RGBrgb(48, 125, 162)
RGB (0–1)0.1882, 0.4902, 0.6353
RGB percentages18.8%, 49%, 63.5%
HSLhsl(199.5, 54.3%, 41.2%)
HSV / HSBhsv(199.5, 70.4%, 63.5%)
CMYK70.4%, 22.8%, 0%, 36.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,177,890
CSS custom property--colour: #307DA2;

Brightness & contrast

Relative luminance0.17904WCAG 2.x, 0 is black and 1 is white
Perceived brightness113.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.58:1
Contrast with white4.58:1WCAG normal text: AA
Contrast with black4.58:1WCAG normal text: AA
Greyscale equivalent#6F6F6F
Inverted#CF825D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6B7CA4no red cones; affects about 1% of men; ΔE 15.5 from the original
Deuteranopia#5B70A1no green cones; the most common form, about 1% of men; ΔE 17 from the original
Tritanopia#008789no blue cones; rare, and affects men and women equally; ΔE 24.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.58:1WCAG large text: AAA
Contrast with black, large text4.58:1WCAG large text: AAA

Named colours

Steel blue · ΔE 9.5Slate grey · ΔE 18.8Light slate grey · ΔE 19.1Cadetblue · ΔE 24.1Teal · ΔE 25.4Dark cyan · ΔE 26.4
Nearest named CSS colourSteel blue (#4682B4)ΔE 9.52, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A25530
Analogous#30A28E, #3044A2
Triadic#A2307D, #7DA230
Split complementary#A23044, #A28E30
Tetradic#8E30A2, #A25530, #44A230

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B5D8E9
Lighter +30%#8EC4DD
Lighter +20%#66AFD2
Lighter +10%#3F9AC6
Darker −10%#245F7B
Darker −20%#194053
Darker −30%#0D222C
Darker −40%#010405
More saturated +25%#1686BC
Less saturated −25%#4A7488

Channel breakdown

R48
G125
B162
Red48 (18.8%)
Green125 (49%)
Blue162 (63.5%)
Hue199.47°
Saturation (HSL)54.29%
Lightness41.18%
Dominant channelBlue
Hex per channelR 30 · G 7D · B A2

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Every value on this page was computed from “307da2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.