Colour

#121F2B

#121F2B
Blue
Dark
Nearest: Black

#121F2B is a blue with RGB values 18, 31, 43 and HSL 209°, 41%, 12%. It is a dark colour, so white text on it reaches 16.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#121F2B#121F2B

HEX#121F2B

RGBrgb(18, 31, 43)

RGB (0–1)0.0706, 0.1216, 0.1686

RGB percentages7.1%, 12.2%, 16.9%

HSLhsl(208.8, 41%, 12%)

HSV / HSBhsv(208.8, 58.1%, 16.9%)

CMYK58.1%, 27.9%, 0%, 83.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,187,627

CSS custom property--colour: #121F2B;

Brightness & contrast

Relative luminance0.01283WCAG 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 16.71:1

Contrast with white16.71:1WCAG normal text: AAA

Contrast with black1.26:1WCAG normal text: Fail

Greyscale equivalent#1D1D1D

Inverted#EDE0D4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1A1F2Cno red cones; affects about 1% of men; ΔE 3.2 from the original

Deuteranopia#171D2Bno green cones; the most common form, about 1% of men; ΔE 3.2 from the original

Tritanopia#072223no blue cones; rare, and affects men and women equally; ΔE 10.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.71:1WCAG large text: AAA

Contrast with black, large text1.26:1WCAG large text: Fail

Named colours

Black · ΔE 14.9 Dark slate grey · ΔE 23.4 Dim grey · ΔE 34.7 Slate grey · ΔE 41.7 Gray · ΔE 43.6 Light slate grey · ΔE 44.8

Nearest named CSS colourBlack (#000000)ΔE 14.92, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2B1E12

Analogous#122B2A, #12132B

Triadic#2B121F, #1F2B12

Split complementary#2B1213, #2B2B12

Tetradic#2A122B, #2B1E12, #122B12

Tints, shades & saturation

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

Lighter +40%#5287B7

Lighter +30%#3F6D97

Lighter +20%#305373

Lighter +10%#21394F

Darker −10%#030507

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#0A1F33

Less saturated −25%#1A1F23

Channel breakdown

R18

G31

B43

Red18 (7.1%)

Green31 (12.2%)

Blue43 (16.9%)

Hue208.8°

Saturation (HSL)40.98%

Lightness11.96%

Dominant channelBlue

Hex per channelR 12 · G 1F · B 2B

Keep nerding

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

#121F2B

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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