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Colour

#152B49

  • #152B49
  • Blue
  • Dark
  • Nearest: Dark slate grey

#152B49 is a blue with RGB values 21, 43, 73 and HSL 215°, 55%, 18%. It is a dark colour, so white text on it reaches 14.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#152B49#152B49
HEX#152B49
RGBrgb(21, 43, 73)
RGB (0–1)0.0824, 0.1686, 0.2863
RGB percentages8.2%, 16.9%, 28.6%
HSLhsl(214.6, 55.3%, 18.4%)
HSV / HSBhsv(214.6, 71.2%, 28.6%)
CMYK71.2%, 41.1%, 0%, 71.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,387,337
CSS custom property--colour: #152B49;

Brightness & contrast

Relative luminance0.02368WCAG 2.x, 0 is black and 1 is white
Perceived brightness42.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.25:1
Contrast with white14.25:1WCAG normal text: AAA
Contrast with black1.47:1WCAG normal text: Fail
Greyscale equivalent#282828
Inverted#EAD4B6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1E2D4Ano red cones; affects about 1% of men; ΔE 2.2 from the original
Deuteranopia#172848no green cones; the most common form, about 1% of men; ΔE 2.6 from the original
Tritanopia#003236no blue cones; rare, and affects men and women equally; ΔE 21.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.25:1WCAG large text: AAA
Contrast with black, large text1.47:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 26.6Black · ΔE 27.5Dark slateblue · ΔE 34.1Dim grey · ΔE 34.5Slate grey · ΔE 37.4Steel blue · ΔE 37.4
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 26.6, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#493315
Analogous#154549, #191549
Triadic#49152B, #2B4915
Split complementary#491915, #454915
Tetradic#491545, #493315, #154919

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5A8CD0
Lighter +30%#3771C0
Lighter +20%#2C5A98
Lighter +10%#204271
Darker −10%#0A1421
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#092955
Less saturated −25%#212D3D

Channel breakdown

R21
G43
B73
Red21 (8.2%)
Green43 (16.9%)
Blue73 (28.6%)
Hue214.62°
Saturation (HSL)55.32%
Lightness18.43%
Dominant channelBlue
Hex per channelR 15 · G 2B · B 49

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Every value on this page was computed from “152b49” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.