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Colour

#1574C4

  • #1574C4
  • Blue
  • Dark
  • Nearest: Cornflower blue

#1574C4 is a blue with RGB values 21, 116, 196 and HSL 207°, 81%, 43%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#1574C4#1574C4
HEX#1574C4
RGBrgb(21, 116, 196)
RGB (0–1)0.0824, 0.4549, 0.7686
RGB percentages8.2%, 45.5%, 76.9%
HSLhsl(207.4, 80.6%, 42.5%)
HSV / HSBhsv(207.4, 89.3%, 76.9%)
CMYK89.3%, 40.8%, 0%, 23.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,406,148
CSS custom property--colour: #1574C4;

Brightness & contrast

Relative luminance0.16636WCAG 2.x, 0 is black and 1 is white
Perceived brightness111.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.85:1
Contrast with white4.85:1WCAG normal text: AA
Contrast with black4.33:1WCAG normal text: Fail
Greyscale equivalent#666666
Inverted#EA8B3B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4C7AC7no red cones; affects about 1% of men; ΔE 6.9 from the original
Deuteranopia#2E6BC2no green cones; the most common form, about 1% of men; ΔE 7.8 from the original
Tritanopia#008792no blue cones; rare, and affects men and women equally; ΔE 45.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.85:1WCAG large text: AAA
Contrast with black, large text4.33:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 15.1Steel blue · ΔE 19.1Dodgerblue · ΔE 19.5Royal blue · ΔE 27.6Dark slateblue · ΔE 28.6Slate blue · ΔE 33.3
Nearest named CSS colourCornflower blue (#6495ED)ΔE 15.1, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C46515
Analogous#15C4BD, #151CC4
Triadic#C41574, #74C415
Split complementary#C4151C, #C4BD15
Tetradic#BD15C4, #C46515, #1CC415

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AFD6F6
Lighter +30%#81BEF1
Lighter +20%#52A6ED
Lighter +10%#248EE8
Darker −10%#105996
Darker −20%#0B3D68
Darker −30%#06223A
Darker −40%#01070C
More saturated +25%#0076D9
Less saturated −25%#3072A9

Channel breakdown

R21
G116
B196
Red21 (8.2%)
Green116 (45.5%)
Blue196 (76.9%)
Hue207.43°
Saturation (HSL)80.65%
Lightness42.55%
Dominant channelBlue
Hex per channelR 15 · G 74 · B C4

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Every value on this page was computed from “1574c4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.