Colour

#152B56

#152B56
Blue
Dark
Nearest: Dark slateblue

#152B56 is a blue with RGB values 21, 43, 86 and HSL 220°, 61%, 21%. It is a dark colour, so white text on it reaches 13.9:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#152B56#152B56

HEX#152B56

RGBrgb(21, 43, 86)

RGB (0–1)0.0824, 0.1686, 0.3373

RGB percentages8.2%, 16.9%, 33.7%

HSLhsl(219.7, 60.7%, 21%)

HSV / HSBhsv(219.7, 75.6%, 33.7%)

CMYK75.6%, 50%, 0%, 66.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,387,350

CSS custom property--colour: #152B56;

Brightness & contrast

Relative luminance0.02559WCAG 2.x, 0 is black and 1 is white

Perceived brightness45.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.89:1

Contrast with white13.89:1WCAG normal text: AAA

Contrast with black1.51:1WCAG normal text: Fail

Greyscale equivalent#292929

Inverted#EAD4A9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#153058no red cones; affects about 1% of men; ΔE 3.6 from the original

Deuteranopia#082A55no green cones; the most common form, about 1% of men; ΔE 1.9 from the original

Tritanopia#00353Cno blue cones; rare, and affects men and women equally; ΔE 28.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text13.89:1WCAG large text: AAA

Contrast with black, large text1.51:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 25.8 Midnight blue · ΔE 31.7 Dark slate grey · ΔE 34.4 Black · ΔE 34.9 Steel blue · ΔE 36.5 Dim grey · ΔE 39.7

Nearest named CSS colourDark slateblue (#483D8B)ΔE 25.78, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#564015

Analogous#154C56, #1F1556

Triadic#56152B, #2B5615

Split complementary#561F15, #4C5615

Tetradic#56154C, #564015, #15561F

Tints, shades & saturation

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

Lighter +40%#5F88D8

Lighter +30%#3669CE

Lighter +20%#2954A8

Lighter +10%#1F3F7F

Darker −10%#0B172D

Darker −20%#010204

Darker −30%#000000

Darker −40%#000000

More saturated +25%#082763

Less saturated −25%#222F49

Channel breakdown

R21

G43

B86

Red21 (8.2%)

Green43 (16.9%)

Blue86 (33.7%)

Hue219.69°

Saturation (HSL)60.75%

Lightness20.98%

Dominant channelBlue

Hex per channelR 15 · G 2B · B 56

Keep nerding

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

#152B56

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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