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Recognised as Colour

#020357

  • #020357
  • Blue
  • Dark
  • Nearest: Midnight blue

#020357 is a blue with RGB values 2, 3, 87 and HSL 239°, 96%, 17%. It is a dark colour, so white text on it reaches 18.2:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#020357#020357
HEX#020357
RGBrgb(2, 3, 87)
RGB (0–1)0.0078, 0.0118, 0.3412
RGB percentages0.8%, 1.2%, 34.1%
HSLhsl(239.3, 95.5%, 17.5%)
HSV / HSBhsv(239.3, 97.7%, 34.1%)
CMYK97.7%, 96.6%, 0%, 65.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer131,927
CSS custom property--colour: #020357;

Brightness & contrast

Relative luminance0.00766WCAG 2.x, 0 is black and 1 is white
Perceived brightness29.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.21:1
Contrast with white18.21:1WCAG normal text: AAA
Contrast with black1.15:1WCAG normal text: Fail
Greyscale equivalent#090909
Inverted#FDFCA8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001A59no red cones; affects about 1% of men; ΔE 17 from the original
Deuteranopia#001056no green cones; the most common form, about 1% of men; ΔE 9.8 from the original
Tritanopia#002130no blue cones; rare, and affects men and women equally; ΔE 52.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.21:1WCAG large text: AAA
Contrast with black, large text1.15:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 9.4Navy · ΔE 22.5Indigo · ΔE 23Dark slateblue · ΔE 25.8Rebecca purple · ΔE 27.5Dark blue · ΔE 27.7
Nearest named CSS colourMidnight blue (#191970)ΔE 9.37, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#575602
Analogous#022E57, #2B0257
Triadic#570203, #035702
Split complementary#572C02, #2D5702
Tetradic#57022E, #575602, #02572C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#2B2DFA
Lighter +30%#0508ED
Lighter +20%#0406BB
Lighter +10%#030589
Darker −10%#010125
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#000159
Less saturated −25%#0D0E4C

Channel breakdown

R2
G3
B87
Red2 (0.8%)
Green3 (1.2%)
Blue87 (34.1%)
Hue239.29°
Saturation (HSL)95.51%
Lightness17.45%
Dominant channelBlue
Hex per channelR 02 · G 03 · B 57

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Every value on this page was computed from “hex 020357” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.