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Recognised as Colour

#043B7F

  • #043B7F
  • Blue
  • Dark
  • Nearest: Dark slateblue

#043B7F is a blue with RGB values 4, 59, 127 and HSL 213°, 94%, 26%. It is a dark colour, so white text on it reaches 10.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#043B7F#043B7F
HEX#043B7F
RGBrgb(4, 59, 127)
RGB (0–1)0.0157, 0.2314, 0.498
RGB percentages1.6%, 23.1%, 49.8%
HSLhsl(213.2, 93.9%, 25.7%)
HSV / HSBhsv(213.2, 96.9%, 49.8%)
CMYK96.9%, 53.5%, 0%, 50.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer277,375
CSS custom property--colour: #043B7F;

Brightness & contrast

Relative luminance0.04686WCAG 2.x, 0 is black and 1 is white
Perceived brightness62.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.84:1
Contrast with white10.84:1WCAG normal text: AAA
Contrast with black1.94:1WCAG normal text: Fail
Greyscale equivalent#343434
Inverted#FBC480

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#094381no red cones; affects about 1% of men; ΔE 6.1 from the original
Deuteranopia#00387Eno green cones; the most common form, about 1% of men; ΔE 2.1 from the original
Tritanopia#004C57no blue cones; rare, and affects men and women equally; ΔE 41.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.84:1WCAG large text: AAA
Contrast with black, large text1.94:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 14.5Midnight blue · ΔE 22.7Rebecca purple · ΔE 31.5Steel blue · ΔE 33.1Slate blue · ΔE 34Royal blue · ΔE 34.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 14.49, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7F4804
Analogous#04797F, #0A047F
Triadic#7F043B, #3B7F04
Split complementary#7F0A04, #797F04
Tetradic#7F0479, #7F4804, #047F0A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#559FFA
Lighter +30%#2483F8
Lighter +20%#0769E2
Lighter +10%#0652B0
Darker −10%#02244E
Darker −20%#010D1C
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003B83
Less saturated −25%#143D6F

Channel breakdown

R4
G59
B127
Red4 (1.6%)
Green59 (23.1%)
Blue127 (49.8%)
Hue213.17°
Saturation (HSL)93.89%
Lightness25.69%
Dominant channelBlue
Hex per channelR 04 · G 3B · B 7F

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Every value on this page was computed from “043b7f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.