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Colour

#0061DD

  • #0061DD
  • Blue
  • Dark
  • Nearest: Royal blue

#0061DD is a blue with RGB values 0, 97, 221 and HSL 214°, 100%, 43%. It is a dark colour, so white text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#0061DD#0061DD
HEX#0061DD
RGBrgb(0, 97, 221)
RGB (0–1)0, 0.3804, 0.8667
RGB percentages0%, 38%, 86.7%
HSLhsl(213.7, 100%, 43.3%)
HSV / HSBhsv(213.7, 100%, 86.7%)
CMYK100%, 56.1%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer25,053
CSS custom property--colour: #0061DD;

Brightness & contrast

Relative luminance0.1377WCAG 2.x, 0 is black and 1 is white
Perceived brightness105.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.59:1
Contrast with white5.59:1WCAG normal text: AA
Contrast with black3.75:1WCAG normal text: Fail
Greyscale equivalent#555555
Inverted#FF9E22

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0071E1no red cones; affects about 1% of men; ΔE 11.3 from the original
Deuteranopia#005FDBno green cones; the most common form, about 1% of men; ΔE 0.9 from the original
Tritanopia#008195no blue cones; rare, and affects men and women equally; ΔE 69.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.59:1WCAG large text: AAA
Contrast with black, large text3.75:1WCAG large text: AA

Named colours

Royal blue · ΔE 5.8Slate blue · ΔE 15.9Medium slateblue · ΔE 18.3Dodgerblue · ΔE 22.6Medium purple · ΔE 25.1Dark slateblue · ΔE 30.3
Nearest named CSS colourRoyal blue (#4169E1)ΔE 5.83, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DD7C00
Analogous#00CFDD, #0E00DD
Triadic#DD0061, #61DD00
Split complementary#DD0E00, #CFDD00
Tetradic#DD00CF, #DD7C00, #00DD0E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AACFFF
Lighter +30%#77B3FF
Lighter +20%#4496FF
Lighter +10%#1179FF
Darker −10%#004BAA
Darker −20%#003477
Darker −30%#001E44
Darker −40%#000711
More saturated +25%#0061DD
Less saturated −25%#1C64C1

Channel breakdown

R0
G97
B221
Red0 (0%)
Green97 (38%)
Blue221 (86.7%)
Hue213.67°
Saturation (HSL)100%
Lightness43.33%
Dominant channelBlue
Hex per channelR 00 · G 61 · B DD

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Every value on this page was computed from “0061dd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.