Nerdulator> put something in

Recognised as Colour

#1939D1

  • #1939D1
  • Blue
  • Dark
  • Nearest: Dark blue

#1939D1 is a blue with RGB values 25, 57, 209 and HSL 230°, 79%, 46%. It is a dark colour, so white text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#1939D1#1939D1
HEX#1939D1
RGBrgb(25, 57, 209)
RGB (0–1)0.098, 0.2235, 0.8196
RGB percentages9.8%, 22.4%, 82%
HSLhsl(229.6, 78.6%, 45.9%)
HSV / HSBhsv(229.6, 88%, 82%)
CMYK88%, 72.7%, 0%, 18%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,653,201
CSS custom property--colour: #1939D1;

Brightness & contrast

Relative luminance0.07736WCAG 2.x, 0 is black and 1 is white
Perceived brightness84.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.24:1
Contrast with white8.24:1WCAG normal text: AAA
Contrast with black2.55:1WCAG normal text: Fail
Greyscale equivalent#3D3D3D
Inverted#E6C62E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0058D5no red cones; affects about 1% of men; ΔE 22.7 from the original
Deuteranopia#0046CEno green cones; the most common form, about 1% of men; ΔE 11.5 from the original
Tritanopia#006582no blue cones; rare, and affects men and women equally; ΔE 83.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.24:1WCAG large text: AAA
Contrast with black, large text2.55:1WCAG large text: Fail

Named colours

Dark blue · ΔE 22Medium slateblue · ΔE 24.3Medium blue · ΔE 24.8Blue violet · ΔE 25Navy · ΔE 25.4Slate blue · ΔE 27.3
Nearest named CSS colourDark blue (#00008B)ΔE 21.97, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D1B119
Analogous#1995D1, #5519D1
Triadic#D11939, #39D119
Split complementary#D15519, #95D119
Tetradic#D11995, #D1B119, #19D155

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BFC9F7
Lighter +30%#91A2F2
Lighter +20%#647BEC
Lighter +10%#3655E7
Darker −10%#142DA3
Darker −20%#0E2076
Darker −30%#091448
Darker −40%#03071B
More saturated +25%#0029EA
Less saturated −25%#364CB4

Channel breakdown

R25
G57
B209
Red25 (9.8%)
Green57 (22.4%)
Blue209 (82%)
Hue229.57°
Saturation (HSL)78.63%
Lightness45.88%
Dominant channelBlue
Hex per channelR 19 · G 39 · B D1

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 “1939d1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.