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Recognised as Colour

#0378CA

  • #0378CA
  • Blue
  • Dark
  • Nearest: Cornflower blue

#0378CA is a blue with RGB values 3, 120, 202 and HSL 205°, 97%, 40%. It is a dark colour, so white text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#0378CA#0378CA
HEX#0378CA
RGBrgb(3, 120, 202)
RGB (0–1)0.0118, 0.4706, 0.7922
RGB percentages1.2%, 47.1%, 79.2%
HSLhsl(204.7, 97.1%, 40.2%)
HSV / HSBhsv(204.7, 98.5%, 79.2%)
CMYK98.5%, 40.6%, 0%, 20.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer227,530
CSS custom property--colour: #0378CA;

Brightness & contrast

Relative luminance0.17717WCAG 2.x, 0 is black and 1 is white
Perceived brightness114.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.62:1
Contrast with white4.62:1WCAG normal text: AA
Contrast with black4.54:1WCAG normal text: AA
Greyscale equivalent#656565
Inverted#FC8735

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4E7DCDno red cones; affects about 1% of men; ΔE 7.7 from the original
Deuteranopia#2E6EC8no green cones; the most common form, about 1% of men; ΔE 9 from the original
Tritanopia#008C97no blue cones; rare, and affects men and women equally; ΔE 46.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.62:1WCAG large text: AAA
Contrast with black, large text4.54:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 14.2Dodgerblue · ΔE 18.1Steel blue · ΔE 19.6Royal blue · ΔE 27.6Dark slateblue · ΔE 30.4Deep skyblue · ΔE 32.2
Nearest named CSS colourCornflower blue (#6495ED)ΔE 14.22, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CA5503
Analogous#03CAB8, #0315CA
Triadic#CA0378, #78CA03
Split complementary#CA0315, #CAB803
Tetradic#B803CA, #CA5503, #15CA03

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9BD5FE
Lighter +30%#69C0FD
Lighter +20%#37ABFC
Lighter +10%#0596FB
Darker −10%#025A98
Darker −20%#023C65
Darker −30%#011E33
Darker −40%#000101
More saturated +25%#0079CD
Less saturated −25%#1D73B0

Channel breakdown

R3
G120
B202
Red3 (1.2%)
Green120 (47.1%)
Blue202 (79.2%)
Hue204.72°
Saturation (HSL)97.07%
Lightness40.2%
Dominant channelBlue
Hex per channelR 03 · G 78 · B CA

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Every value on this page was computed from “0378ca” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.