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Colour

#00375A

  • #00375A
  • Blue
  • Dark
  • Nearest: Dark slate grey

#00375A is a blue with RGB values 0, 55, 90 and HSL 203°, 100%, 18%. It is a dark colour, so white text on it reaches 12.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#00375A#00375A
HEX#00375A
RGBrgb(0, 55, 90)
RGB (0–1)0, 0.2157, 0.3529
RGB percentages0%, 21.6%, 35.3%
HSLhsl(203.3, 100%, 17.6%)
HSV / HSBhsv(203.3, 100%, 35.3%)
CMYK100%, 38.9%, 0%, 64.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,170
CSS custom property--colour: #00375A;

Brightness & contrast

Relative luminance0.03471WCAG 2.x, 0 is black and 1 is white
Perceived brightness52 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.4:1
Contrast with white12.4:1WCAG normal text: AAA
Contrast with black1.69:1WCAG normal text: Fail
Greyscale equivalent#2E2E2E
Inverted#FFC8A5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#26385Bno red cones; affects about 1% of men; ΔE 6.6 from the original
Deuteranopia#193159no green cones; the most common form, about 1% of men; ΔE 7.4 from the original
Tritanopia#004044no blue cones; rare, and affects men and women equally; ΔE 23.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.4:1WCAG large text: AAA
Contrast with black, large text1.69:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 25.9Steel blue · ΔE 31.5Dark slateblue · ΔE 33.3Black · ΔE 33.6Dim grey · ΔE 34.1Slate grey · ΔE 34.4
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 25.86, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5A2300
Analogous#005A50, #000A5A
Triadic#5A0037, #375A00
Split complementary#5A000A, #5A5000
Tetradic#50005A, #5A2300, #0A5A00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#27ABFF
Lighter +30%#0094F3
Lighter +20%#0075C0
Lighter +10%#00568D
Darker −10%#001827
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00375A
Less saturated −25%#0B344F

Channel breakdown

R0
G55
B90
Red0 (0%)
Green55 (21.6%)
Blue90 (35.3%)
Hue203.33°
Saturation (HSL)100%
Lightness17.65%
Dominant channelBlue
Hex per channelR 00 · G 37 · B 5A

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Every value on this page was computed from “00375a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.