Nerdulator> put something in

Recognised as Colour

#30669A

  • #30669A
  • Blue
  • Dark
  • Nearest: Steel blue

#30669A is a blue with RGB values 48, 102, 154 and HSL 209°, 52%, 40%. It is a dark colour, so white text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#30669A#30669A
HEX#30669A
RGBrgb(48, 102, 154)
RGB (0–1)0.1882, 0.4, 0.6039
RGB percentages18.8%, 40%, 60.4%
HSLhsl(209.4, 52.5%, 39.6%)
HSV / HSBhsv(209.4, 68.8%, 60.4%)
CMYK68.8%, 33.8%, 0%, 39.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,171,994
CSS custom property--colour: #30669A;

Brightness & contrast

Relative luminance0.12464WCAG 2.x, 0 is black and 1 is white
Perceived brightness97.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.01:1
Contrast with white6.01:1WCAG normal text: AA
Contrast with black3.49:1WCAG normal text: Fail
Greyscale equivalent#5E5E5E
Inverted#CF9965

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4F699Cno red cones; affects about 1% of men; ΔE 6.7 from the original
Deuteranopia#405E99no green cones; the most common form, about 1% of men; ΔE 8.2 from the original
Tritanopia#007279no blue cones; rare, and affects men and women equally; ΔE 32.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.01:1WCAG large text: AAA
Contrast with black, large text3.49:1WCAG large text: AA

Named colours

Steel blue · ΔE 11.3Slate grey · ΔE 25.5Light slate grey · ΔE 26.5Cornflower blue · ΔE 27.2Dark slateblue · ΔE 29.9Dim grey · ΔE 33.6
Nearest named CSS colourSteel blue (#4682B4)ΔE 11.26, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9A6430
Analogous#309A99, #30319A
Triadic#9A3066, #669A30
Split complementary#9A3031, #9A9930
Tetradic#99309A, #9A6430, #319A30

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B0CCE6
Lighter +30%#89B2DA
Lighter +20%#6299CE
Lighter +10%#3C80C1
Darker −10%#244C73
Darker −20%#18324C
Darker −30%#0C1925
Darker −40%#000000
More saturated +25%#1766B3
Less saturated −25%#496681

Channel breakdown

R48
G102
B154
Red48 (18.8%)
Green102 (40%)
Blue154 (60.4%)
Hue209.43°
Saturation (HSL)52.48%
Lightness39.61%
Dominant channelBlue
Hex per channelR 30 · G 66 · B 9A

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 “30669a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.