Colour

#004B71

#004B71
Blue
Dark
Nearest: Steel blue

#004B71 is a blue with RGB values 0, 75, 113 and HSL 200°, 100%, 22%. It is a dark colour, so white text on it reaches 9.4:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#004B71#004B71

HEX#004B71

RGBrgb(0, 75, 113)

RGB (0–1)0, 0.2941, 0.4431

RGB percentages0%, 29.4%, 44.3%

HSLhsl(200.2, 100%, 22.2%)

HSV / HSBhsv(200.2, 100%, 44.3%)

CMYK100%, 33.6%, 0%, 55.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer19,313

CSS custom property--colour: #004B71;

Brightness & contrast

Relative luminance0.06224WCAG 2.x, 0 is black and 1 is white

Perceived brightness69 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.35:1

Contrast with white9.35:1WCAG normal text: AAA

Contrast with black2.24:1WCAG normal text: Fail

Greyscale equivalent#3E3E3E

Inverted#FFB48E

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#394C73no red cones; affects about 1% of men; ΔE 9.9 from the original

Deuteranopia#2A4270no green cones; the most common form, about 1% of men; ΔE 11.4 from the original

Tritanopia#005559no blue cones; rare, and affects men and women equally; ΔE 24.4 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text9.35:1WCAG large text: AAA

Contrast with black, large text2.24:1WCAG large text: Fail

Named colours

Steel blue · ΔE 23 Dark slate grey · ΔE 24.7 Slate grey · ΔE 28.5 Light slate grey · ΔE 30.8 Dim grey · ΔE 31.4 Dark slateblue · ΔE 34.2

Nearest named CSS colourSteel blue (#4682B4)ΔE 23, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#712600

Analogous#00715F, #001271

Triadic#71004B, #4B7100

Split complementary#710012, #715F00

Tetradic#5F0071, #712600, #127100

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#3EBEFF

Lighter +30%#0BADFF

Lighter +20%#008FD7

Lighter +10%#006DA4

Darker −10%#00293E

Darker −20%#00070B

Darker −30%#000000

Darker −40%#000000

More saturated +25%#004B71

Less saturated −25%#0E4663

Channel breakdown

G75

B113

Red0 (0%)

Green75 (29.4%)

Blue113 (44.3%)

Hue200.18°

Saturation (HSL)100%

Lightness22.16%

Dominant channelBlue

Hex per channelR 00 · G 4B · B 71

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#004B71

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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