Colour

#13233F

#13233F
Blue
Dark
Nearest: Black

#13233F is a blue with RGB values 19, 35, 63 and HSL 218°, 54%, 16%. It is a dark colour, so white text on it reaches 15.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#13233F#13233F

HEX#13233F

RGBrgb(19, 35, 63)

RGB (0–1)0.0745, 0.1373, 0.2471

RGB percentages7.5%, 13.7%, 24.7%

HSLhsl(218.2, 53.7%, 16.1%)

HSV / HSBhsv(218.2, 69.8%, 24.7%)

CMYK69.8%, 44.4%, 0%, 75.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,254,207

CSS custom property--colour: #13233F;

Brightness & contrast

Relative luminance0.01699WCAG 2.x, 0 is black and 1 is white

Perceived brightness35.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.67:1

Contrast with white15.67:1WCAG normal text: AAA

Contrast with black1.34:1WCAG normal text: Fail

Greyscale equivalent#222222

Inverted#ECDCC0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#172540no red cones; affects about 1% of men; ΔE 1.3 from the original

Deuteranopia#11213Eno green cones; the most common form, about 1% of men; ΔE 1.3 from the original

Tritanopia#00292Dno blue cones; rare, and affects men and women equally; ΔE 20.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text15.67:1WCAG large text: AAA

Contrast with black, large text1.34:1WCAG large text: Fail

Named colours

Black · ΔE 24.5 Dark slate grey · ΔE 28.5 Dark slateblue · ΔE 35.7 Dim grey · ΔE 36.7 Slate grey · ΔE 40.6 Midnight blue · ΔE 40.7

Nearest named CSS colourBlack (#000000)ΔE 24.54, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3F2F13

Analogous#13393F, #19133F

Triadic#3F1323, #233F13

Split complementary#3F1913, #393F13

Tetradic#3F1339, #3F2F13, #133F19

Tints, shades & saturation

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

Lighter +40%#537FCB

Lighter +30%#3664B5

Lighter +20%#2B4F8D

Lighter +10%#1F3966

Darker −10%#070D18

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#092049

Less saturated −25%#1D2635

Channel breakdown

R19

G35

B63

Red19 (7.5%)

Green35 (13.7%)

Blue63 (24.7%)

Hue218.18°

Saturation (HSL)53.66%

Lightness16.08%

Dominant channelBlue

Hex per channelR 13 · G 23 · B 3F

Keep nerding

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

#13233F

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

Nerdulate something else