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Recognised as Colour

#04306A

  • #04306A
  • Blue
  • Dark
  • Nearest: Dark slateblue

#04306A is a blue with RGB values 4, 48, 106 and HSL 214°, 93%, 22%. It is a dark colour, so white text on it reaches 12.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#04306A#04306A
HEX#04306A
RGBrgb(4, 48, 106)
RGB (0–1)0.0157, 0.1882, 0.4157
RGB percentages1.6%, 18.8%, 41.6%
HSLhsl(214.1, 92.7%, 21.6%)
HSV / HSBhsv(214.1, 96.2%, 41.6%)
CMYK96.2%, 54.7%, 0%, 58.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer274,538
CSS custom property--colour: #04306A;

Brightness & contrast

Relative luminance0.0318WCAG 2.x, 0 is black and 1 is white
Perceived brightness51.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.84:1
Contrast with white12.84:1WCAG normal text: AAA
Contrast with black1.64:1WCAG normal text: Fail
Greyscale equivalent#2B2B2B
Inverted#FBCF95

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#06376Cno red cones; affects about 1% of men; ΔE 5.4 from the original
Deuteranopia#002E69no green cones; the most common form, about 1% of men; ΔE 1.3 from the original
Tritanopia#003E48no blue cones; rare, and affects men and women equally; ΔE 36.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.84:1WCAG large text: AAA
Contrast with black, large text1.64:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 18.5Midnight blue · ΔE 24.2Rebecca purple · ΔE 35.3Steel blue · ΔE 35.6Slate blue · ΔE 40.3Royal blue · ΔE 41.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 18.5, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6A3E04
Analogous#04636A, #0B046A
Triadic#6A0430, #306A04
Split complementary#6A0B04, #636A04
Tetradic#6A0463, #6A3E04, #046A0B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4291F8
Lighter +30%#1174F6
Lighter +20%#085DCC
Lighter +10%#06469B
Darker −10%#021A39
Darker −20%#000308
Darker −30%#000000
Darker −40%#000000
More saturated +25%#002F6E
Less saturated −25%#12325C

Channel breakdown

R4
G48
B106
Red4 (1.6%)
Green48 (18.8%)
Blue106 (41.6%)
Hue214.12°
Saturation (HSL)92.73%
Lightness21.57%
Dominant channelBlue
Hex per channelR 04 · G 30 · B 6A

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Every value on this page was computed from “04306a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.