Nerdulator> put something in

Recognised as Colour

#1F07DA

  • #1F07DA
  • Blue
  • Dark
  • Nearest: Medium blue

#1F07DA is a blue with RGB values 31, 7, 218 and HSL 247°, 94%, 44%. It is a dark colour, so white text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#1F07DA#1F07DA
HEX#1F07DA
RGBrgb(31, 7, 218)
RGB (0–1)0.1216, 0.0275, 0.8549
RGB percentages12.2%, 2.7%, 85.5%
HSLhsl(246.8, 93.8%, 44.1%)
HSV / HSBhsv(246.8, 96.8%, 85.5%)
CMYK85.8%, 96.8%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,033,626
CSS custom property--colour: #1F07DA;

Brightness & contrast

Relative luminance0.05505WCAG 2.x, 0 is black and 1 is white
Perceived brightness75.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10:1
Contrast with white10:1WCAG normal text: AAA
Contrast with black2.1:1WCAG normal text: Fail
Greyscale equivalent#1B1B1B
Inverted#E0F825

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004CDFno red cones; affects about 1% of men; ΔE 34.8 from the original
Deuteranopia#0037D7no green cones; the most common form, about 1% of men; ΔE 22.8 from the original
Tritanopia#005B80no blue cones; rare, and affects men and women equally; ΔE 102.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10:1WCAG large text: AAA
Contrast with black, large text2.1:1WCAG large text: Fail

Named colours

Medium blue · ΔE 4.4Blue · ΔE 17.7Blue violet · ΔE 23.6Dark violet · ΔE 27Dark blue · ΔE 34.1Dark orchid · ΔE 37.2
Nearest named CSS colourMedium blue (#0000CD)ΔE 4.44, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C2DA07
Analogous#0759DA, #8807DA
Triadic#DA1F07, #07DA1F
Split complementary#DA8907, #58DA07
Tetradic#DA0759, #C2DA07, #07DA88

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B9B1FC
Lighter +30%#8D7FFB
Lighter +20%#614EF9
Lighter +10%#351CF8
Darker −10%#1805A9
Darker −20%#110477
Darker −30%#0A0246
Darker −40%#030114
More saturated +25%#1A00E1
Less saturated −25%#3523BE

Channel breakdown

R31
G7
B218
Red31 (12.2%)
Green7 (2.7%)
Blue218 (85.5%)
Hue246.82°
Saturation (HSL)93.78%
Lightness44.12%
Dominant channelBlue
Hex per channelR 1F · G 07 · B DA

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 “1f07da” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.