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Colour

#020B57

  • #020B57
  • Blue
  • Dark
  • Nearest: Midnight blue

#020B57 is a blue with RGB values 2, 11, 87 and HSL 234°, 96%, 17%. It is a dark colour, so white text on it reaches 17.7:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#020B57#020B57
HEX#020B57
RGBrgb(2, 11, 87)
RGB (0–1)0.0078, 0.0431, 0.3412
RGB percentages0.8%, 4.3%, 34.1%
HSLhsl(233.6, 95.5%, 17.5%)
HSV / HSBhsv(233.6, 97.7%, 34.1%)
CMYK97.7%, 87.4%, 0%, 65.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer133,975
CSS custom property--colour: #020B57;

Brightness & contrast

Relative luminance0.0094WCAG 2.x, 0 is black and 1 is white
Perceived brightness30.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.68:1
Contrast with white17.68:1WCAG normal text: AAA
Contrast with black1.19:1WCAG normal text: Fail
Greyscale equivalent#0F0F0F
Inverted#FDF4A8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001D59no red cones; affects about 1% of men; ΔE 14.4 from the original
Deuteranopia#001456no green cones; the most common form, about 1% of men; ΔE 7.7 from the original
Tritanopia#002331no blue cones; rare, and affects men and women equally; ΔE 48.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.68:1WCAG large text: AAA
Contrast with black, large text1.19:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 8.9Dark slateblue · ΔE 22.8Indigo · ΔE 26.6Navy · ΔE 27Rebecca purple · ΔE 28Dark blue · ΔE 32.2
Nearest named CSS colourMidnight blue (#191970)ΔE 8.89, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#574E02
Analogous#023657, #230257
Triadic#57020B, #0B5702
Split complementary#572302, #365702
Tetradic#570236, #574E02, #025723

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#2B41FA
Lighter +30%#051EED
Lighter +20%#0418BB
Lighter +10%#031189
Darker −10%#010525
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#000959
Less saturated −25%#0D144C

Channel breakdown

R2
G11
B87
Red2 (0.8%)
Green11 (4.3%)
Blue87 (34.1%)
Hue233.65°
Saturation (HSL)95.51%
Lightness17.45%
Dominant channelBlue
Hex per channelR 02 · G 0B · B 57

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Every value on this page was computed from “020b57” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.