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Recognised as Colour

#022570

  • #022570
  • Blue
  • Dark
  • Nearest: Midnight blue

#022570 is a blue with RGB values 2, 37, 112 and HSL 221°, 96%, 22%. It is a dark colour, so white text on it reaches 14:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#022570#022570
HEX#022570
RGBrgb(2, 37, 112)
RGB (0–1)0.0078, 0.1451, 0.4392
RGB percentages0.8%, 14.5%, 43.9%
HSLhsl(220.9, 96.5%, 22.4%)
HSV / HSBhsv(220.9, 98.2%, 43.9%)
CMYK98.2%, 67%, 0%, 56.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer140,656
CSS custom property--colour: #022570;

Brightness & contrast

Relative luminance0.02506WCAG 2.x, 0 is black and 1 is white
Perceived brightness47.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.99:1
Contrast with white13.99:1WCAG normal text: AAA
Contrast with black1.5:1WCAG normal text: Fail
Greyscale equivalent#232323
Inverted#FDDA8F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003172no red cones; affects about 1% of men; ΔE 10.1 from the original
Deuteranopia#00276Fno green cones; the most common form, about 1% of men; ΔE 2.5 from the original
Tritanopia#003946no blue cones; rare, and affects men and women equally; ΔE 47.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.99:1WCAG large text: AAA
Contrast with black, large text1.5:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 10.7Dark slateblue · ΔE 14.2Rebecca purple · ΔE 25.9Indigo · ΔE 30.9Navy · ΔE 32.1Slate blue · ΔE 33
Nearest named CSS colourMidnight blue (#191970)ΔE 10.72, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#704D02
Analogous#025C70, #160270
Triadic#700225, #257002
Split complementary#701602, #5C7002
Tetradic#70025C, #704D02, #027016

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#427DFC
Lighter +30%#105BFB
Lighter +20%#0446D4
Lighter +10%#0336A2
Darker −10%#01143E
Darker −20%#00040C
Darker −30%#000000
Darker −40%#000000
More saturated +25%#002472
Less saturated −25%#102A62

Channel breakdown

R2
G37
B112
Red2 (0.8%)
Green37 (14.5%)
Blue112 (43.9%)
Hue220.91°
Saturation (HSL)96.49%
Lightness22.35%
Dominant channelBlue
Hex per channelR 02 · G 25 · B 70

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Every value on this page was computed from “hex 022570” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.