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Recognised as Colour

#001552

  • #001552
  • Blue
  • Dark
  • Nearest: Midnight blue

#001552 is a blue with RGB values 0, 21, 82 and HSL 225°, 100%, 16%. It is a dark colour, so white text on it reaches 17.1:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#001552#001552
HEX#001552
RGBrgb(0, 21, 82)
RGB (0–1)0, 0.0824, 0.3216
RGB percentages0%, 8.2%, 32.2%
HSLhsl(224.6, 100%, 16.1%)
HSV / HSBhsv(224.6, 100%, 32.2%)
CMYK100%, 74.4%, 0%, 67.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,458
CSS custom property--colour: #001552;

Brightness & contrast

Relative luminance0.01146WCAG 2.x, 0 is black and 1 is white
Perceived brightness32 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.09:1
Contrast with white17.09:1WCAG normal text: AAA
Contrast with black1.23:1WCAG normal text: Fail
Greyscale equivalent#151515
Inverted#FFEAAD

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002054no red cones; affects about 1% of men; ΔE 9.4 from the original
Deuteranopia#001851no green cones; the most common form, about 1% of men; ΔE 3.4 from the original
Tritanopia#002631no blue cones; rare, and affects men and women equally; ΔE 40.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.09:1WCAG large text: AAA
Contrast with black, large text1.23:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 16.5Dark slateblue · ΔE 21.7Rebecca purple · ΔE 33Indigo · ΔE 35.9Navy · ΔE 37.5Dark blue · ΔE 42.5
Nearest named CSS colourMidnight blue (#191970)ΔE 16.51, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#523D00
Analogous#003E52, #140052
Triadic#520015, #155200
Split complementary#521400, #3E5200
Tetradic#52003E, #523D00, #005214

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#1F58FF
Lighter +30%#003CEB
Lighter +20%#002FB8
Lighter +10%#002285
Darker −10%#00081F
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001552
Less saturated −25%#0A1A48

Channel breakdown

R0
G21
B82
Red0 (0%)
Green21 (8.2%)
Blue82 (32.2%)
Hue224.63°
Saturation (HSL)100%
Lightness16.08%
Dominant channelBlue
Hex per channelR 00 · G 15 · B 52

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Every value on this page was computed from “hex 001552” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.