Nerdulator> put something in

Recognised as Colour

#285A77

  • #285A77
  • Blue
  • Dark
  • Nearest: Dark slate grey

#285A77 is a blue with RGB values 40, 90, 119 and HSL 202°, 50%, 31%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#285A77#285A77
HEX#285A77
RGBrgb(40, 90, 119)
RGB (0–1)0.1569, 0.3529, 0.4667
RGB percentages15.7%, 35.3%, 46.7%
HSLhsl(202, 49.7%, 31.2%)
HSV / HSBhsv(202, 66.4%, 46.7%)
CMYK66.4%, 24.4%, 0%, 53.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,644,599
CSS custom property--colour: #285A77;

Brightness & contrast

Relative luminance0.09095WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.45:1
Contrast with white7.45:1WCAG normal text: AAA
Contrast with black2.82:1WCAG normal text: Fail
Greyscale equivalent#515151
Inverted#D7A588

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4C5A78no red cones; affects about 1% of men; ΔE 10.2 from the original
Deuteranopia#425277no green cones; the most common form, about 1% of men; ΔE 11.5 from the original
Tritanopia#006164no blue cones; rare, and affects men and women equally; ΔE 20.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.45:1WCAG large text: AAA
Contrast with black, large text2.82:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 18.9Steel blue · ΔE 19.8Slate grey · ΔE 20.5Light slate grey · ΔE 22.8Dim grey · ΔE 24Teal · ΔE 28.1
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 18.95, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#774528
Analogous#28776C, #283377
Triadic#77285A, #5A7728
Split complementary#772833, #776D28
Tetradic#6C2877, #774528, #327728

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#91BFDA
Lighter +30%#6BA9CD
Lighter +20%#4593C0
Lighter +10%#35779D
Darker −10%#1B3D51
Darker −20%#0E202B
Darker −30%#020304
Darker −40%#000000
More saturated +25%#145F8B
Less saturated −25%#3C5563

Channel breakdown

R40
G90
B119
Red40 (15.7%)
Green90 (35.3%)
Blue119 (46.7%)
Hue202.03°
Saturation (HSL)49.69%
Lightness31.18%
Dominant channelBlue
Hex per channelR 28 · G 5A · B 77

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 “285a77” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.