Nerdulator> put something in

Recognised as Colour

#28779A

  • #28779A
  • Cyan
  • Dark
  • Nearest: Steel blue

#28779A is a cyan with RGB values 40, 119, 154 and HSL 198°, 59%, 38%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#28779A#28779A
HEX#28779A
RGBrgb(40, 119, 154)
RGB (0–1)0.1569, 0.4667, 0.6039
RGB percentages15.7%, 46.7%, 60.4%
HSLhsl(198.4, 58.8%, 38%)
HSV / HSBhsv(198.4, 74%, 60.4%)
CMYK74%, 22.7%, 0%, 39.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,652,058
CSS custom property--colour: #28779A;

Brightness & contrast

Relative luminance0.15978WCAG 2.x, 0 is black and 1 is white
Perceived brightness107.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.01:1
Contrast with white5.01:1WCAG normal text: AA
Contrast with black4.2:1WCAG normal text: Fail
Greyscale equivalent#696969
Inverted#D78865

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#65769Cno red cones; affects about 1% of men; ΔE 15.6 from the original
Deuteranopia#566A99no green cones; the most common form, about 1% of men; ΔE 17.4 from the original
Tritanopia#008183no blue cones; rare, and affects men and women equally; ΔE 23.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.01:1WCAG large text: AAA
Contrast with black, large text4.2:1WCAG large text: AA

Named colours

Steel blue · ΔE 11.4Slate grey · ΔE 18.9Light slate grey · ΔE 19.6Teal · ΔE 24.4Cadetblue · ΔE 24.5Dark cyan · ΔE 25.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 11.41, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9A4B28
Analogous#289A84, #283E9A
Triadic#9A2877, #779A28
Split complementary#9A283E, #9A8428
Tetradic#84289A, #9A4B28, #3E9A28

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A6D4E8
Lighter +30%#7EC0DD
Lighter +20%#55ACD3
Lighter +10%#3396C2
Darker −10%#1D5872
Darker −20%#133849
Darker −30%#081921
Darker −40%#000000
More saturated +25%#1080B2
Less saturated −25%#406E82

Channel breakdown

R40
G119
B154
Red40 (15.7%)
Green119 (46.7%)
Blue154 (60.4%)
Hue198.42°
Saturation (HSL)58.76%
Lightness38.04%
Dominant channelBlue
Hex per channelR 28 · G 77 · 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 “28779a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.