Colour

#151C30

#151C30
Blue
Dark
Nearest: Black

#151C30 is a blue with RGB values 21, 28, 48 and HSL 224°, 39%, 14%. It is a dark colour, so white text on it reaches 16.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#151C30#151C30

HEX#151C30

RGBrgb(21, 28, 48)

RGB (0–1)0.0824, 0.1098, 0.1882

RGB percentages8.2%, 11%, 18.8%

HSLhsl(224.4, 39.1%, 13.5%)

HSV / HSBhsv(224.4, 56.3%, 18.8%)

CMYK56.2%, 41.7%, 0%, 81.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,383,472

CSS custom property--colour: #151C30;

Brightness & contrast

Relative luminance0.01203WCAG 2.x, 0 is black and 1 is white

Perceived brightness29.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.93:1

Contrast with white16.93:1WCAG normal text: AAA

Contrast with black1.24:1WCAG normal text: Fail

Greyscale equivalent#1C1C1C

Inverted#EAE3CF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#151E31no red cones; affects about 1% of men; ΔE 1.4 from the original

Deuteranopia#121C30no green cones; the most common form, about 1% of men; ΔE 1 from the original

Tritanopia#0B2023no blue cones; rare, and affects men and women equally; ΔE 14.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.93:1WCAG large text: AAA

Contrast with black, large text1.24:1WCAG large text: Fail

Named colours

Black · ΔE 18.2 Dark slate grey · ΔE 27.9 Dim grey · ΔE 36.9 Dark slateblue · ΔE 41 Slate grey · ΔE 42.8 Midnight blue · ΔE 45.3

Nearest named CSS colourBlack (#000000)ΔE 18.18, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#302915

Analogous#152930, #1C1530

Triadic#30151C, #1C3015

Split complementary#301C15, #293015

Tetradic#301529, #302915, #15301C

Tints, shades & saturation

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

Lighter +40%#5A72B7

Lighter +30%#445A9A

Lighter +20%#344577

Lighter +10%#253153

Darker −10%#05070D

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#0C1839

Less saturated −25%#1E2027

Channel breakdown

R21

G28

B48

Red21 (8.2%)

Green28 (11%)

Blue48 (18.8%)

Hue224.44°

Saturation (HSL)39.13%

Lightness13.53%

Dominant channelBlue

Hex per channelR 15 · G 1C · B 30

Keep nerding

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

#151C30

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