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Recognised as Colour

#215CC8

  • #215CC8
  • Blue
  • Dark
  • Nearest: Royal blue

#215CC8 is a blue with RGB values 33, 92, 200 and HSL 219°, 72%, 46%. It is a dark colour, so white text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#215CC8#215CC8
HEX#215CC8
RGBrgb(33, 92, 200)
RGB (0–1)0.1294, 0.3608, 0.7843
RGB percentages12.9%, 36.1%, 78.4%
HSLhsl(218.8, 71.7%, 45.7%)
HSV / HSBhsv(218.8, 83.5%, 78.4%)
CMYK83.5%, 54%, 0%, 21.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,186,440
CSS custom property--colour: #215CC8;

Brightness & contrast

Relative luminance0.12148WCAG 2.x, 0 is black and 1 is white
Perceived brightness99.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.12:1
Contrast with white6.12:1WCAG normal text: AA
Contrast with black3.43:1WCAG normal text: Fail
Greyscale equivalent#575757
Inverted#DEA337

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#006ACCno red cones; affects about 1% of men; ΔE 10.6 from the original
Deuteranopia#005BC6no green cones; the most common form, about 1% of men; ΔE 2 from the original
Tritanopia#007789no blue cones; rare, and affects men and women equally; ΔE 61.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.12:1WCAG large text: AAA
Contrast with black, large text3.43:1WCAG large text: AA

Named colours

Royal blue · ΔE 8.7Slate blue · ΔE 15.2Dodgerblue · ΔE 21.6Medium slateblue · ΔE 22.4Dark slateblue · ΔE 22.4Medium purple · ΔE 23.1
Nearest named CSS colourRoyal blue (#4169E1)ΔE 8.69, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C88D21
Analogous#21B0C8, #3921C8
Triadic#C8215C, #5CC821
Split complementary#C83921, #B0C821
Tetradic#C821B0, #C88D21, #21C839

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C0D3F5
Lighter +30%#95B4ED
Lighter +20%#6995E6
Lighter +10%#3D76DF
Darker −10%#1A489C
Darker −20%#133470
Darker −30%#0B2045
Darker −40%#040B19
More saturated +25%#0453E5
Less saturated −25%#3E65AB

Channel breakdown

R33
G92
B200
Red33 (12.9%)
Green92 (36.1%)
Blue200 (78.4%)
Hue218.8°
Saturation (HSL)71.67%
Lightness45.69%
Dominant channelBlue
Hex per channelR 21 · G 5C · B C8

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Every value on this page was computed from “215cc8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.