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Recognised as Colour

#152E5C

  • #152E5C
  • Blue
  • Dark
  • Nearest: Dark slateblue

#152E5C is a blue with RGB values 21, 46, 92 and HSL 219°, 63%, 22%. It is a dark colour, so white text on it reaches 13.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#152E5C#152E5C
HEX#152E5C
RGBrgb(21, 46, 92)
RGB (0–1)0.0824, 0.1804, 0.3608
RGB percentages8.2%, 18%, 36.1%
HSLhsl(218.9, 62.8%, 22.2%)
HSV / HSBhsv(218.9, 77.2%, 36.1%)
CMYK77.2%, 50%, 0%, 63.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,388,124
CSS custom property--colour: #152E5C;

Brightness & contrast

Relative luminance0.02886WCAG 2.x, 0 is black and 1 is white
Perceived brightness48.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.31:1
Contrast with white13.31:1WCAG normal text: AAA
Contrast with black1.58:1WCAG normal text: Fail
Greyscale equivalent#2C2C2C
Inverted#EAD1A3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#16335Eno red cones; affects about 1% of men; ΔE 3.5 from the original
Deuteranopia#062C5Bno green cones; the most common form, about 1% of men; ΔE 2 from the original
Tritanopia#003940no blue cones; rare, and affects men and women equally; ΔE 30.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.31:1WCAG large text: AAA
Contrast with black, large text1.58:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 24Midnight blue · ΔE 30.4Steel blue · ΔE 35.2Dark slate grey · ΔE 35.4Black · ΔE 37.1Slate grey · ΔE 40.1
Nearest named CSS colourDark slateblue (#483D8B)ΔE 23.99, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5C4315
Analogous#15515C, #20155C
Triadic#5C152E, #2E5C15
Split complementary#5C1F15, #525C15
Tetradic#5C1551, #5C4315, #155C1F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#628DDB
Lighter +30%#386ED2
Lighter +20%#2858AF
Lighter +10%#1E4386
Darker −10%#0C1932
Darker −20%#020409
Darker −30%#000000
Darker −40%#000000
More saturated +25%#072A6A
Less saturated −25%#23324E

Channel breakdown

R21
G46
B92
Red21 (8.2%)
Green46 (18%)
Blue92 (36.1%)
Hue218.87°
Saturation (HSL)62.83%
Lightness22.16%
Dominant channelBlue
Hex per channelR 15 · G 2E · B 5C

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Every value on this page was computed from “152e5c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.