Nerdulator> put something in

Colour

#123B6F

  • #123B6F
  • Blue
  • Dark
  • Nearest: Dark slateblue

#123B6F is a blue with RGB values 18, 59, 111 and HSL 214°, 72%, 25%. 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 slateblue.

Colour values

#123B6F#123B6F
HEX#123B6F
RGBrgb(18, 59, 111)
RGB (0–1)0.0706, 0.2314, 0.4353
RGB percentages7.1%, 23.1%, 43.5%
HSLhsl(213.5, 72.1%, 25.3%)
HSV / HSBhsv(213.5, 83.8%, 43.5%)
CMYK83.8%, 46.8%, 0%, 56.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,194,863
CSS custom property--colour: #123B6F;

Brightness & contrast

Relative luminance0.04404WCAG 2.x, 0 is black and 1 is white
Perceived brightness59.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.17:1
Contrast with white11.17:1WCAG normal text: AAA
Contrast with black1.88:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#EDC490

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#204071no red cones; affects about 1% of men; ΔE 3.3 from the original
Deuteranopia#0C376Eno green cones; the most common form, about 1% of men; ΔE 2.9 from the original
Tritanopia#00474Fno blue cones; rare, and affects men and women equally; ΔE 33 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.17:1WCAG large text: AAA
Contrast with black, large text1.88:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 21.7Steel blue · ΔE 29.6Midnight blue · ΔE 30.8Dark slate grey · ΔE 36.1Slate grey · ΔE 37.5Rebecca purple · ΔE 39.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 21.72, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6F4612
Analogous#126A6F, #17126F
Triadic#6F123B, #3B6F12
Split complementary#6F1712, #6A6F12
Tetradic#6F126A, #6F4612, #126F17

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#679FE6
Lighter +30%#3B83DF
Lighter +20%#206AC7
Lighter +10%#19529B
Darker −10%#0B2443
Darker −20%#040C17
Darker −30%#000000
Darker −40%#000000
More saturated +25%#02397F
Less saturated −25%#223D5F

Channel breakdown

R18
G59
B111
Red18 (7.1%)
Green59 (23.1%)
Blue111 (43.5%)
Hue213.55°
Saturation (HSL)72.09%
Lightness25.29%
Dominant channelBlue
Hex per channelR 12 · G 3B · B 6F

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 “123b6f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.