Nerdulator> put something in

Colour

#64A5C8

  • #64A5C8
  • Blue
  • Dark
  • Nearest: Sky blue

#64A5C8 is a blue with RGB values 100, 165, 200 and HSL 201°, 48%, 59%. It is a dark colour, so black text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#64A5C8#64A5C8
HEX#64A5C8
RGBrgb(100, 165, 200)
RGB (0–1)0.3922, 0.6471, 0.7843
RGB percentages39.2%, 64.7%, 78.4%
HSLhsl(201, 47.6%, 58.8%)
HSV / HSBhsv(201, 50%, 78.4%)
CMYK50%, 17.5%, 0%, 21.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,596,040
CSS custom property--colour: #64A5C8;

Brightness & contrast

Relative luminance0.3379WCAG 2.x, 0 is black and 1 is white
Perceived brightness153.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.76:1
Contrast with white2.71:1WCAG normal text: Fail
Contrast with black7.76:1WCAG normal text: AAA
Greyscale equivalent#9A9A9A
Inverted#9B5A37

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#94A3CAno red cones; affects about 1% of men; ΔE 15 from the original
Deuteranopia#8698C7no green cones; the most common form, about 1% of men; ΔE 16.1 from the original
Tritanopia#2EAEB0no blue cones; rare, and affects men and women equally; ΔE 25.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.71:1WCAG large text: Fail
Contrast with black, large text7.76:1WCAG large text: AAA

Named colours

Sky blue · ΔE 15.2Light skyblue · ΔE 15.5Steel blue · ΔE 16.2Light slate grey · ΔE 18.2Light steelblue · ΔE 19.1Cadetblue · ΔE 19.3
Nearest named CSS colourSky blue (#87CEEB)ΔE 15.19, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C88764
Analogous#64C8B9, #6473C8
Triadic#C864A5, #A5C864
Split complementary#C86473, #C8B964
Tetradic#B964C8, #C88764, #73C864

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FBFCFD
Lighter +30%#D5E7F0
Lighter +20%#AFD1E3
Lighter +10%#8ABBD5
Darker −10%#418EB8
Darker −20%#347192
Darker −30%#27546D
Darker −40%#193747
More saturated +25%#4AADE2
Less saturated −25%#7E9DAE

Channel breakdown

R100
G165
B200
Red100 (39.2%)
Green165 (64.7%)
Blue200 (78.4%)
Hue201°
Saturation (HSL)47.62%
Lightness58.82%
Dominant channelBlue
Hex per channelR 64 · G A5 · B C8

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 “64a5c8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.