Nerdulator> put something in

Recognised as Colour

#323A57

  • #323A57
  • Blue
  • Dark
  • Nearest: Dark slate grey

#323A57 is a blue with RGB values 50, 58, 87 and HSL 227°, 27%, 27%. It is a dark colour, so white text on it reaches 11.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#323A57#323A57
HEX#323A57
RGBrgb(50, 58, 87)
RGB (0–1)0.1961, 0.2275, 0.3412
RGB percentages19.6%, 22.7%, 34.1%
HSLhsl(227, 27%, 26.9%)
HSV / HSBhsv(227, 42.5%, 34.1%)
CMYK42.5%, 33.3%, 0%, 65.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,291,735
CSS custom property--colour: #323A57;

Brightness & contrast

Relative luminance0.04392WCAG 2.x, 0 is black and 1 is white
Perceived brightness59.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.18:1
Contrast with white11.18:1WCAG normal text: AAA
Contrast with black1.88:1WCAG normal text: Fail
Greyscale equivalent#3A3A3A
Inverted#CDC5A8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#303D58no red cones; affects about 1% of men; ΔE 2.6 from the original
Deuteranopia#2D3A56no green cones; the most common form, about 1% of men; ΔE 1.9 from the original
Tritanopia#264044no blue cones; rare, and affects men and women equally; ΔE 18.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.18:1WCAG large text: AAA
Contrast with black, large text1.88:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 23.3Dim grey · ΔE 27.4Slate grey · ΔE 29.9Black · ΔE 31.5Dark slateblue · ΔE 32.1Steel blue · ΔE 32.1
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 23.29, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#574F32
Analogous#324C57, #3D3257
Triadic#57323A, #3A5732
Split complementary#573D32, #4D5732
Tetradic#57324C, #574F32, #32573D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#949EC1
Lighter +30%#7380AF
Lighter +20%#576598
Lighter +10%#455077
Darker −10%#1F2437
Darker −20%#0D0F16
Darker −30%#000000
Darker −40%#000000
More saturated +25%#213068
Less saturated −25%#434446

Channel breakdown

R50
G58
B87
Red50 (19.6%)
Green58 (22.7%)
Blue87 (34.1%)
Hue227.03°
Saturation (HSL)27.01%
Lightness26.86%
Dominant channelBlue
Hex per channelR 32 · G 3A · B 57

Keep nerding

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

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “323a57” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.