Colour

#020057

#020057
Blue
Dark
Nearest: Midnight blue

#020057 is a blue with RGB values 2, 0, 87 and HSL 241°, 100%, 17%. It is a dark colour, so white text on it reaches 18.4:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#020057#020057

HEX#020057

RGBrgb(2, 0, 87)

RGB (0–1)0.0078, 0, 0.3412

RGB percentages0.8%, 0%, 34.1%

HSLhsl(241.4, 100%, 17.1%)

HSV / HSBhsv(241.4, 100%, 34.1%)

CMYK97.7%, 100%, 0%, 65.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer131,159

CSS custom property--colour: #020057;

Brightness & contrast

Relative luminance0.00701WCAG 2.x, 0 is black and 1 is white

Perceived brightness29.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.42:1

Contrast with white18.42:1WCAG normal text: AAA

Contrast with black1.14:1WCAG normal text: Fail

Greyscale equivalent#070707

Inverted#FDFFA8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#001959no red cones; affects about 1% of men; ΔE 18.2 from the original

Deuteranopia#000F56no green cones; the most common form, about 1% of men; ΔE 11.1 from the original

Tritanopia#001F2Fno blue cones; rare, and affects men and women equally; ΔE 53.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text18.42:1WCAG large text: AAA

Contrast with black, large text1.14:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 10.3 Navy · ΔE 20.9 Indigo · ΔE 21.9 Dark blue · ΔE 26.2 Dark slateblue · ΔE 27.2 Rebecca purple · ΔE 27.6

Nearest named CSS colourMidnight blue (#191970)ΔE 10.34, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#555700

Analogous#002A57, #2D0057

Triadic#570200, #005702

Split complementary#572D00, #2A5700

Tetradic#57002A, #555700, #00572D

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#2924FF

Lighter +30%#0600F0

Lighter +20%#0400BD

Lighter +10%#03008A

Darker −10%#010024

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#020057

Less saturated −25%#0C0B4C

Channel breakdown

B87

Red2 (0.8%)

Green0 (0%)

Blue87 (34.1%)

Hue241.38°

Saturation (HSL)100%

Lightness17.06%

Dominant channelBlue

Hex per channelR 02 · G 00 · B 57

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#020057

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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