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Colour

#404C67

  • #404C67
  • Blue
  • Dark
  • Nearest: Dark slate grey

#404C67 is a blue with RGB values 64, 76, 103 and HSL 222°, 23%, 33%. It is a dark colour, so white text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#404C67#404C67
HEX#404C67
RGBrgb(64, 76, 103)
RGB (0–1)0.251, 0.298, 0.4039
RGB percentages25.1%, 29.8%, 40.4%
HSLhsl(221.5, 23.4%, 32.7%)
HSV / HSBhsv(221.5, 37.9%, 40.4%)
CMYK37.9%, 26.2%, 0%, 59.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,213,863
CSS custom property--colour: #404C67;

Brightness & contrast

Relative luminance0.07238WCAG 2.x, 0 is black and 1 is white
Perceived brightness76.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.58:1
Contrast with white8.58:1WCAG normal text: AAA
Contrast with black2.45:1WCAG normal text: Fail
Greyscale equivalent#4B4B4B
Inverted#BFB398

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#434E68no red cones; affects about 1% of men; ΔE 1.2 from the original
Deuteranopia#3F4A66no green cones; the most common form, about 1% of men; ΔE 1.1 from the original
Tritanopia#345155no blue cones; rare, and affects men and women equally; ΔE 16.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.58:1WCAG large text: AAA
Contrast with black, large text2.45:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 19.8Dim grey · ΔE 21.2Slate grey · ΔE 22.1Light slate grey · ΔE 24.8Steel blue · ΔE 26Gray · ΔE 27.5
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 19.76, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#675B40
Analogous#405F67, #474067
Triadic#67404C, #4C6740
Split complementary#674740, #5F6740
Tetradic#67405F, #675B40, #406747

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A9B3CA
Lighter +30%#8A97B6
Lighter +20%#6A7CA3
Lighter +10%#546386
Darker −10%#2C3548
Darker −20%#191E28
Darker −30%#050609
Darker −40%#000000
More saturated +25%#2B447C
Less saturated −25%#535353

Channel breakdown

R64
G76
B103
Red64 (25.1%)
Green76 (29.8%)
Blue103 (40.4%)
Hue221.54°
Saturation (HSL)23.35%
Lightness32.75%
Dominant channelBlue
Hex per channelR 40 · G 4C · B 67

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Every value on this page was computed from “404c67” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.