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Recognised as Colour

#0034A5

  • #0034A5
  • Blue
  • Dark
  • Nearest: Midnight blue

#0034A5 is a blue with RGB values 0, 52, 165 and HSL 221°, 100%, 32%. It is a dark colour, so white text on it reaches 10.3:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#0034A5#0034A5
HEX#0034A5
RGBrgb(0, 52, 165)
RGB (0–1)0, 0.2039, 0.6471
RGB percentages0%, 20.4%, 64.7%
HSLhsl(221.1, 100%, 32.4%)
HSV / HSBhsv(221.1, 100%, 64.7%)
CMYK100%, 68.5%, 0%, 35.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,477
CSS custom property--colour: #0034A5;

Brightness & contrast

Relative luminance0.05173WCAG 2.x, 0 is black and 1 is white
Perceived brightness68.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.32:1
Contrast with white10.32:1WCAG normal text: AAA
Contrast with black2.03:1WCAG normal text: Fail
Greyscale equivalent#313131
Inverted#FFCB5A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0048A9no red cones; affects about 1% of men; ΔE 15 from the original
Deuteranopia#0039A3no green cones; the most common form, about 1% of men; ΔE 5.2 from the original
Tritanopia#005368no blue cones; rare, and affects men and women equally; ΔE 65.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.32:1WCAG large text: AAA
Contrast with black, large text2.03:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 18.4Slate blue · ΔE 19.4Rebecca purple · ΔE 20.3Navy · ΔE 20.3Royal blue · ΔE 21.7Dark blue · ΔE 21.9
Nearest named CSS colourMidnight blue (#191970)ΔE 18.4, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A57100
Analogous#0086A5, #1F00A5
Triadic#A50034, #34A500
Split complementary#A51F00, #86A500
Tetradic#A50086, #A57100, #00A51F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#729EFF
Lighter +30%#3F7CFF
Lighter +20%#0C59FF
Lighter +10%#0044D8
Darker −10%#002472
Darker −20%#00143F
Darker −30%#00040C
Darker −40%#000000
More saturated +25%#0034A5
Less saturated −25%#153C90

Channel breakdown

R0
G52
B165
Red0 (0%)
Green52 (20.4%)
Blue165 (64.7%)
Hue221.09°
Saturation (HSL)100%
Lightness32.35%
Dominant channelBlue
Hex per channelR 00 · G 34 · B A5

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Every value on this page was computed from “0034a5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.