Recognised as Colour

#021C51

#021C51
Blue
Dark
Nearest: Midnight blue

#021C51 is a blue with RGB values 2, 28, 81 and HSL 220°, 95%, 16%. It is a dark colour, so white text on it reaches 16.3:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#021C51#021C51

HEX#021C51

RGBrgb(2, 28, 81)

RGB (0–1)0.0078, 0.1098, 0.3176

RGB percentages0.8%, 11%, 31.8%

HSLhsl(220.3, 95.2%, 16.3%)

HSV / HSBhsv(220.3, 97.5%, 31.8%)

CMYK97.5%, 65.4%, 0%, 68.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer138,321

CSS custom property--colour: #021C51;

Brightness & contrast

Relative luminance0.01437WCAG 2.x, 0 is black and 1 is white

Perceived brightness34.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.31:1

Contrast with white16.31:1WCAG normal text: AAA

Contrast with black1.29:1WCAG normal text: Fail

Greyscale equivalent#1A1A1A

Inverted#FDE3AE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#002453no red cones; affects about 1% of men; ΔE 6.8 from the original

Deuteranopia#001C50no green cones; the most common form, about 1% of men; ΔE 0.8 from the original

Tritanopia#002A33no blue cones; rare, and affects men and women equally; ΔE 35.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.31:1WCAG large text: AAA

Contrast with black, large text1.29:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 22.7 Dark slateblue · ΔE 22.9 Rebecca purple · ΔE 37 Black · ΔE 39.9 Indigo · ΔE 42.1 Navy · ΔE 44.2

Nearest named CSS colourMidnight blue (#191970)ΔE 22.68, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#513702

Analogous#024351, #100251

Triadic#51021C, #1C5102

Split complementary#510F02, #445102

Tetradic#510243, #513702, #025110

Tints, shades & saturation

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

Lighter +40%#256BFA

Lighter +30%#0650E6

Lighter +20%#043EB5

Lighter +10%#032D83

Darker −10%#010B1F

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#001B53

Less saturated −25%#0C2047

Channel breakdown

G28

B81

Red2 (0.8%)

Green28 (11%)

Blue81 (31.8%)

Hue220.25°

Saturation (HSL)95.18%

Lightness16.27%

Dominant channelBlue

Hex per channelR 02 · G 1C · B 51

Keep nerding

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

#021C51

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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