Nerdulator> put something in

Recognised as Colour

#1970DF

  • #1970DF
  • Blue
  • Dark
  • Nearest: Royal blue

#1970DF is a blue with RGB values 25, 112, 223 and HSL 214°, 80%, 49%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#1970DF#1970DF
HEX#1970DF
RGBrgb(25, 112, 223)
RGB (0–1)0.098, 0.4392, 0.8745
RGB percentages9.8%, 43.9%, 87.5%
HSLhsl(213.6, 79.8%, 48.6%)
HSV / HSBhsv(213.6, 88.8%, 87.5%)
CMYK88.8%, 49.8%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,667,295
CSS custom property--colour: #1970DF;

Brightness & contrast

Relative luminance0.17123WCAG 2.x, 0 is black and 1 is white
Perceived brightness115 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.75:1
Contrast with white4.75:1WCAG normal text: AA
Contrast with black4.42:1WCAG normal text: Fail
Greyscale equivalent#666666
Inverted#E68F20

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#287CE3no red cones; affects about 1% of men; ΔE 7.5 from the original
Deuteranopia#006BDDno green cones; the most common form, about 1% of men; ΔE 2.9 from the original
Tritanopia#008B9Dno blue cones; rare, and affects men and women equally; ΔE 61.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.75:1WCAG large text: AAA
Contrast with black, large text4.42:1WCAG large text: AA

Named colours

Royal blue · ΔE 9.2Dodgerblue · ΔE 13.2Slate blue · ΔE 19.8Cornflower blue · ΔE 21Medium slateblue · ΔE 24.1Medium purple · ΔE 24.4
Nearest named CSS colourRoyal blue (#4169E1)ΔE 9.2, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DF8819
Analogous#19D3DF, #2519DF
Triadic#DF1970, #70DF19
Split complementary#DF2519, #D3DF19
Tetradic#DF19D3, #DF8819, #19DF25

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CBDFF9
Lighter +30%#9DC3F4
Lighter +20%#6FA7EF
Lighter +10%#418BEA
Darker −10%#1459B1
Darker −20%#0F4283
Darker −30%#0A2B55
Darker −40%#041428
More saturated +25%#006DF8
Less saturated −25%#3874C0

Channel breakdown

R25
G112
B223
Red25 (9.8%)
Green112 (43.9%)
Blue223 (87.5%)
Hue213.64°
Saturation (HSL)79.84%
Lightness48.63%
Dominant channelBlue
Hex per channelR 19 · G 70 · B DF

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 “1970df” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.