Nerdulator> put something in

Recognised as Colour

#343A57

  • #343A57
  • Blue
  • Dark
  • Nearest: Dark slate grey

#343A57 is a blue with RGB values 52, 58, 87 and HSL 230°, 25%, 27%. It is a dark colour, so white text on it reaches 11.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#343A57#343A57
HEX#343A57
RGBrgb(52, 58, 87)
RGB (0–1)0.2039, 0.2275, 0.3412
RGB percentages20.4%, 22.7%, 34.1%
HSLhsl(229.7, 25.2%, 27.3%)
HSV / HSBhsv(229.7, 40.2%, 34.1%)
CMYK40.2%, 33.3%, 0%, 65.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,422,807
CSS custom property--colour: #343A57;

Brightness & contrast

Relative luminance0.04444WCAG 2.x, 0 is black and 1 is white
Perceived brightness60.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.12:1
Contrast with white11.12:1WCAG normal text: AAA
Contrast with black1.89:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#CBC5A8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#313D58no red cones; affects about 1% of men; ΔE 2.8 from the original
Deuteranopia#2E3A56no green cones; the most common form, about 1% of men; ΔE 2.3 from the original
Tritanopia#2A4044no blue cones; rare, and affects men and women equally; ΔE 18.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.12:1WCAG large text: AAA
Contrast with black, large text1.89:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 23.5Dim grey · ΔE 27.2Slate grey · ΔE 29.9Black · ΔE 31.6Dark slateblue · ΔE 31.8Steel blue · ΔE 32.3
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 23.55, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#575134
Analogous#344B57, #403457
Triadic#57343A, #3A5734
Split complementary#574034, #4C5734
Tetradic#57344B, #575134, #345740

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#969EC1
Lighter +30%#7780AD
Lighter +20%#5A6597
Lighter +10%#474F77
Darker −10%#212537
Darker −20%#0E0F17
Darker −30%#000000
Darker −40%#000000
More saturated +25%#232F68
Less saturated −25%#454546

Channel breakdown

R52
G58
B87
Red52 (20.4%)
Green58 (22.7%)
Blue87 (34.1%)
Hue229.71°
Saturation (HSL)25.18%
Lightness27.25%
Dominant channelBlue
Hex per channelR 34 · 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 “343a57” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.