Nerdulator> put something in

Recognised as Colour

#021487

  • #021487
  • Blue
  • Dark
  • Nearest: Navy

#021487 is a blue with RGB values 2, 20, 135 and HSL 232°, 97%, 27%. It is a dark colour, so white text on it reaches 14.5:1 contrast (AAA for normal text). The nearest named colour is Navy.

Colour values

#021487#021487
HEX#021487
RGBrgb(2, 20, 135)
RGB (0–1)0.0078, 0.0784, 0.5294
RGB percentages0.8%, 7.8%, 52.9%
HSLhsl(231.9, 97.1%, 26.9%)
HSV / HSBhsv(231.9, 98.5%, 52.9%)
CMYK98.5%, 85.2%, 0%, 47.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer136,327
CSS custom property--colour: #021487;

Brightness & contrast

Relative luminance0.02262WCAG 2.x, 0 is black and 1 is white
Perceived brightness48.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.46:1
Contrast with white14.46:1WCAG normal text: AAA
Contrast with black1.45:1WCAG normal text: Fail
Greyscale equivalent#181818
Inverted#FDEB78

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00308Ano red cones; affects about 1% of men; ΔE 20.1 from the original
Deuteranopia#002285no green cones; the most common form, about 1% of men; ΔE 10.9 from the original
Tritanopia#003A4Fno blue cones; rare, and affects men and women equally; ΔE 67.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text14.46:1WCAG large text: AAA
Contrast with black, large text1.45:1WCAG large text: Fail

Named colours

Navy · ΔE 7.4Dark blue · ΔE 11Indigo · ΔE 14.4Midnight blue · ΔE 16.4Rebecca purple · ΔE 22.5Dark slateblue · ΔE 29.3
Nearest named CSS colourNavy (#000080)ΔE 7.45, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#877502
Analogous#025787, #320287
Triadic#870214, #148702
Split complementary#873202, #578702
Tetradic#870257, #877502, #028732

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#586FFD
Lighter +30%#2643FC
Lighter +20%#0323EC
Lighter +10%#031BB9
Darker −10%#010D55
Darker −20%#010522
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001389
Less saturated −25%#132076

Channel breakdown

R2
G20
B135
Red2 (0.8%)
Green20 (7.8%)
Blue135 (52.9%)
Hue231.88°
Saturation (HSL)97.08%
Lightness26.86%
Dominant channelBlue
Hex per channelR 02 · G 14 · B 87

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 “hex 021487” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.