Nerdulator> put something in

Colour

#1C83AD

  • #1C83AD
  • Cyan
  • Dark
  • Nearest: Steel blue

#1C83AD is a cyan with RGB values 28, 131, 173 and HSL 197°, 72%, 39%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#1C83AD#1C83AD
HEX#1C83AD
RGBrgb(28, 131, 173)
RGB (0–1)0.1098, 0.5137, 0.6784
RGB percentages11%, 51.4%, 67.8%
HSLhsl(197.4, 72.1%, 39.4%)
HSV / HSBhsv(197.4, 83.8%, 67.8%)
CMYK83.8%, 24.3%, 0%, 32.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,868,717
CSS custom property--colour: #1C83AD;

Brightness & contrast

Relative luminance0.19497WCAG 2.x, 0 is black and 1 is white
Perceived brightness117.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.9:1
Contrast with white4.29:1WCAG normal text: Fail
Contrast with black4.9:1WCAG normal text: AA
Greyscale equivalent#707070
Inverted#E37C52

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6E81AFno red cones; affects about 1% of men; ΔE 18.4 from the original
Deuteranopia#5B74ACno green cones; the most common form, about 1% of men; ΔE 19.8 from the original
Tritanopia#008E91no blue cones; rare, and affects men and women equally; ΔE 25.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.29:1WCAG large text: AA
Contrast with black, large text4.9:1WCAG large text: AAA

Named colours

Steel blue · ΔE 9.3Light slate grey · ΔE 22.4Slate grey · ΔE 22.5Deep skyblue · ΔE 25.1Cadetblue · ΔE 25.6Teal · ΔE 27
Nearest named CSS colourSteel blue (#4682B4)ΔE 9.3, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AD461C
Analogous#1CAD8E, #1C3BAD
Triadic#AD1C83, #83AD1C
Split complementary#AD1C3B, #AD8E1C
Tetradic#8E1CAD, #AD461C, #3BAD1C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A5DAF0
Lighter +30%#79C9E9
Lighter +20%#4DB7E2
Lighter +10%#23A4D9
Darker −10%#156281
Darker −20%#0E4155
Darker −30%#071F29
Darker −40%#000000
More saturated +25%#038EC6
Less saturated −25%#357894

Channel breakdown

R28
G131
B173
Red28 (11%)
Green131 (51.4%)
Blue173 (67.8%)
Hue197.38°
Saturation (HSL)72.14%
Lightness39.41%
Dominant channelBlue
Hex per channelR 1C · G 83 · B AD

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “1c83ad” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.